140797979456 has 28 divisors (see below), whose sum is σ = 281406051360. Its totient is φ = 69892517760.

The previous prime is 140797979453. The next prime is 140797979461. The reversal of 140797979456 is 654979797041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140797979453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7904660 + ... + 7922451.

It is an arithmetic number, because the mean of its divisors is an integer number (10050216120).

Almost surely, 2^140797979456 is an apocalyptic number.

140797979456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140797979456 is a deficient number, since it is larger than the sum of its proper divisors (140608071904).

140797979456 is a wasteful number, since it uses less digits than its factorization.

140797979456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15827262 (or 15827252 counting only the distinct ones).

The product of its (nonzero) digits is 120022560, while the sum is 68.

The spelling of 140797979456 in words is "one hundred forty billion, seven hundred ninety-seven million, nine hundred seventy-nine thousand, four hundred fifty-six".