140856188940 has 72 divisors (see below), whose sum is σ = 428308651680. Its totient is φ = 37469793024.

The previous prime is 140856188933. The next prime is 140856188959. The reversal of 140856188940 is 49881658041.

It is a happy number.

140856188940 is a `hidden beast` number, since 1 + 408 + 56 + 188 + 9 + 4 + 0 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 883024 + ... + 1030263.

Almost surely, 2^140856188940 is an apocalyptic number.

140856188940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140856188940 is an abundant number, since it is smaller than the sum of its proper divisors (287452462740).

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

140856188940 is a wasteful number, since it uses less digits than its factorization.

140856188940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913711 (or 1913706 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The spelling of 140856188940 in words is "one hundred forty billion, eight hundred fifty-six million, one hundred eighty-eight thousand, nine hundred forty".