140864148 has 18 divisors (see below), whose sum is σ = 356073354. Its totient is φ = 46954704.

The previous prime is 140864147. The next prime is 140864149. The reversal of 140864148 is 841468041.

140864148 is a `hidden beast` number, since 1 + 4 + 0 + 8 + 641 + 4 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (140864147) and next prime (140864149).

It can be written as a sum of positive squares in only one way, i.e., 140138244 + 725904 = 11838^2 + 852^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3912893 = 140864148 / (1 + 4 + 0 + 8 + 6 + 4 + 1 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140864147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1956411 + ... + 1956482.

It is an arithmetic number, because the mean of its divisors is an integer number (19781853).

Almost surely, 2^140864148 is an apocalyptic number.

140864148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140864148 is an abundant number, since it is smaller than the sum of its proper divisors (215209206).

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

140864148 is a wasteful number, since it uses less digits than its factorization.

140864148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912903 (or 3912898 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 140864148 is about 11868.6203073483. The cubic root of 140864148 is about 520.3155727492.

It can be divided in two parts, 1408 and 64148, that added together give a palindrome (65556).

The spelling of 140864148 in words is "one hundred forty million, eight hundred sixty-four thousand, one hundred forty-eight".