913139657044 has 24 divisors (see below), whose sum is σ = 1618989926400. Its totient is φ = 450576590880.

The previous prime is 913139657033. The next prime is 913139657051. The reversal of 913139657044 is 440756931319.

It is a junction number, because it is equal to n+sod(n) for n = 913139656982 and 913139657000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17359 + ... + 1351510.

It is an arithmetic number, because the mean of its divisors is an integer number (67457913600).

Almost surely, 2^913139657044 is an apocalyptic number.

It is an amenable number.

913139657044 is a deficient number, since it is larger than the sum of its proper divisors (705850269356).

913139657044 is a wasteful number, since it uses less digits than its factorization.

913139657044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371063 (or 1371061 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 913139657044 in words is "nine hundred thirteen billion, one hundred thirty-nine million, six hundred fifty-seven thousand, forty-four".