140905804554 has 56 divisors (see below), whose sum is σ = 327115558272. Its totient is φ = 45453470760.

The previous prime is 140905804537. The next prime is 140905804681. The reversal of 140905804554 is 455408509041.

140905804554 is a `hidden beast` number, since 1 + 4 + 0 + 90 + 5 + 8 + 0 + 4 + 554 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1513564 + ... + 1603959.

Almost surely, 2^140905804554 is an apocalyptic number.

140905804554 is an abundant number, since it is smaller than the sum of its proper divisors (186209753718).

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

140905804554 is an equidigital number, since it uses as much as digits as its factorization.

140905804554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117574 (or 3117559 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 140905804554 in words is "one hundred forty billion, nine hundred five million, eight hundred four thousand, five hundred fifty-four".