7138658706 has 16 divisors (see below), whose sum is σ = 14300845824. Its totient is φ = 2375631504.

The previous prime is 7138658699. The next prime is 7138658711. The reversal of 7138658706 is 6078568317.

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, 976405 + ... + 983688.

It is an arithmetic number, because the mean of its divisors is an integer number (893802864).

Almost surely, 2^7138658706 is an apocalyptic number.

7138658706 is an abundant number, since it is smaller than the sum of its proper divisors (7162187118).

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

7138658706 is a wasteful number, since it uses less digits than its factorization.

7138658706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960705.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The square root of 7138658706 is about 84490.5835344981. The cubic root of 7138658706 is about 1925.4793841562.

The spelling of 7138658706 in words is "seven billion, one hundred thirty-eight million, six hundred fifty-eight thousand, seven hundred six".