7139364660 has 72 divisors (see below), whose sum is σ = 21866382720. Its totient is φ = 1885341888.

The previous prime is 7139364593. The next prime is 7139364781. The reversal of 7139364660 is 664639317.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174000 + ... + 211079.

It is an arithmetic number, because the mean of its divisors is an integer number (303699760).

Almost surely, 2^7139364660 is an apocalyptic number.

It is an amenable number.

7139364660 is an abundant number, since it is smaller than the sum of its proper divisors (14727018060).

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

7139364660 is a wasteful number, since it uses less digits than its factorization.

7139364660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385197 (or 385192 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 7139364660 is about 84494.7611393748. The cubic root of 7139364660 is about 1925.5428533654.

The spelling of 7139364660 in words is "seven billion, one hundred thirty-nine million, three hundred sixty-four thousand, six hundred sixty".