140156034621 has 16 divisors (see below), whose sum is σ = 187326192960. Its totient is φ = 93211873920.

The previous prime is 140156034593. The next prime is 140156034671. The reversal of 140156034621 is 126430651041.

It is not a de Polignac number, because 140156034621 - 2⁵ = 140156034589 is a prime.

It is a super-2 number, since 2×140156034621² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140156034671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2207506 + ... + 2270108.

It is an arithmetic number, because the mean of its divisors is an integer number (11707887060).

Almost surely, 2^140156034621 is an apocalyptic number.

It is an amenable number.

140156034621 is a deficient number, since it is larger than the sum of its proper divisors (47170158339).

140156034621 is a wasteful number, since it uses less digits than its factorization.

140156034621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64396.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 140156034621 its reverse (126430651041), we get a palindrome (266586685662).

The spelling of 140156034621 in words is "one hundred forty billion, one hundred fifty-six million, thirty-four thousand, six hundred twenty-one".