140136 has 16 divisors (see below), whose sum is σ = 350400. Its totient is φ = 46704.

The previous prime is 140123. The next prime is 140143. The reversal of 140136 is 631041.

It is a plaindrome in base 16.

It is an unprimeable number.

140136 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2896 + ... + 2943.

It is an arithmetic number, because the mean of its divisors is an integer number (21900).

2¹⁴⁰¹³⁶ is an apocalyptic number.

It is an amenable number.

140136 is an abundant number, since it is smaller than the sum of its proper divisors (210264).

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

140136 is a wasteful number, since it uses less digits than its factorization.

140136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848 (or 5844 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 140136 is about 374.3474322070. The cubic root of 140136 is about 51.9417493674.

Adding to 140136 its reverse (631041), we get a palindrome (771177).

It can be divided in two parts, 140 and 136, that added together give a triangular number (276 = T₂₃).

The spelling of 140136 in words is "one hundred forty thousand, one hundred thirty-six".