140154789231 has 12 divisors (see below), whose sum is σ = 202585732752. Its totient is φ = 93371944896.

The previous prime is 140154789211. The next prime is 140154789253. The reversal of 140154789231 is 132987451041.

140154789231 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 547 + 89 + 23 + 1 = 666.

It is not a de Polignac number, because 140154789231 - 2⁶ = 140154789167 is a prime.

It is a super-2 number, since 2×140154789231² (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 (140154789211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5368026 + ... + 5394071.

It is an arithmetic number, because the mean of its divisors is an integer number (16882144396).

Almost surely, 2^140154789231 is an apocalyptic number.

140154789231 is a deficient number, since it is larger than the sum of its proper divisors (62430943521).

140154789231 is a wasteful number, since it uses less digits than its factorization.

140154789231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10763550 (or 10763547 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 140154789231 in words is "one hundred forty billion, one hundred fifty-four million, seven hundred eighty-nine thousand, two hundred thirty-one".