140979579834 has 32 divisors (see below), whose sum is σ = 296851671360. Its totient is φ = 44511984000.

The previous prime is 140979579823. The next prime is 140979579859. The reversal of 140979579834 is 438975979041.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554724 + ... + 767904.

It is an arithmetic number, because the mean of its divisors is an integer number (9276614730).

Almost surely, 2^140979579834 is an apocalyptic number.

140979579834 is an abundant number, since it is smaller than the sum of its proper divisors (155872091526).

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

140979579834 is a wasteful number, since it uses less digits than its factorization.

140979579834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219006.

The product of its (nonzero) digits is 68584320, while the sum is 66.

The spelling of 140979579834 in words is "one hundred forty billion, nine hundred seventy-nine million, five hundred seventy-nine thousand, eight hundred thirty-four".