140148 has 36 divisors (see below), whose sum is σ = 376740. Its totient is φ = 43776.

The previous prime is 140143. The next prime is 140159. The reversal of 140148 is 841041.

It can be written as a sum of positive squares in 2 ways, for example, as 121104 + 19044 = 348^2 + 138^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

140148 is a modest number, since divided by 148 gives 140 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 140148.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140148.

It is not an unprimeable number, because it can be changed into a prime (140143) by changing a digit.

140148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498 + ... + 726.

It is an arithmetic number, because the mean of its divisors is an integer number (10465).

2¹⁴⁰¹⁴⁸ is an apocalyptic number.

140148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188370).

140148 is an abundant number, since it is smaller than the sum of its proper divisors (236592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140148 is a wasteful number, since it uses less digits than its factorization.

140148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 140148 is about 374.3634597554. The cubic root of 140148 is about 51.9432319348.

Adding to 140148 its reverse (841041), we get a palindrome (981189).

The spelling of 140148 in words is "one hundred forty thousand, one hundred forty-eight".