140693731884 has 36 divisors (see below), whose sum is σ = 367906025760. Its totient is φ = 45280740960.

The previous prime is 140693731861. The next prime is 140693731889. The reversal of 140693731884 is 488137396041.

140693731884 is a `hidden beast` number, since 1 + 406 + 93 + 73 + 1 + 8 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 140693731884.

It is not an unprimeable number, because it can be changed into a prime (140693731889) 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, 67381012 + ... + 67383099.

Almost surely, 2^140693731884 is an apocalyptic number.

It is an amenable number.

140693731884 is an abundant number, since it is smaller than the sum of its proper divisors (227212293876).

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

140693731884 is a wasteful number, since it uses less digits than its factorization.

140693731884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134764150 (or 134764145 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 140693731884 in words is "one hundred forty billion, six hundred ninety-three million, seven hundred thirty-one thousand, eight hundred eighty-four".