140240156 has 36 divisors (see below), whose sum is σ = 294710976. Its totient is φ = 58161600.

The previous prime is 140240129. The next prime is 140240161. The reversal of 140240156 is 651042041.

140240156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5465 + ... + 17616.

It is an arithmetic number, because the mean of its divisors is an integer number (8186416).

Almost surely, 2^140240156 is an apocalyptic number.

It is an amenable number.

140240156 is an abundant number, since it is smaller than the sum of its proper divisors (154470820).

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

140240156 is a wasteful number, since it uses less digits than its factorization.

140240156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23130 (or 23121 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 140240156 is about 11842.3036610281. The cubic root of 140240156 is about 519.5461473881.

Adding to 140240156 its reverse (651042041), we get a palindrome (791282197).

The spelling of 140240156 in words is "one hundred forty million, two hundred forty thousand, one hundred fifty-six".