913139134870 has 16 divisors (see below), whose sum is σ = 1643662128240. Its totient is φ = 365253057184.

The previous prime is 913139134861. The next prime is 913139134879. The reversal of 913139134870 is 78431931319.

It is an interprime number because it is at equal distance from previous prime (913139134861) and next prime (913139134879).

It is a super-2 number, since 2×913139134870² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913139134879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1839129 + ... + 2282251.

It is an arithmetic number, because the mean of its divisors is an integer number (102728883015).

Almost surely, 2^913139134870 is an apocalyptic number.

913139134870 is a deficient number, since it is larger than the sum of its proper divisors (730522993370).

913139134870 is a wasteful number, since it uses less digits than its factorization.

913139134870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649199.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 913139134870 in words is "nine hundred thirteen billion, one hundred thirty-nine million, one hundred thirty-four thousand, eight hundred seventy".