140709931904 has 16 divisors (see below), whose sum is σ = 280320567720. Its totient is φ = 70354965888.

The previous prime is 140709931883. The next prime is 140709931909. The reversal of 140709931904 is 409139907041.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140709931909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549648044 + ... + 549648299.

Almost surely, 2^140709931904 is an apocalyptic number.

It is an amenable number.

140709931904 is a deficient number, since it is larger than the sum of its proper divisors (139610635816).

140709931904 is an equidigital number, since it uses as much as digits as its factorization.

140709931904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099296357 (or 1099296345 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 140709931904 in words is "one hundred forty billion, seven hundred nine million, nine hundred thirty-one thousand, nine hundred four".