7139331212 has 12 divisors (see below), whose sum is σ = 13454893536. Its totient is φ = 3295075920.

The previous prime is 7139331211. The next prime is 7139331229. The reversal of 7139331212 is 2121339317.

It is not an unprimeable number, because it can be changed into a prime (7139331211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68647364 + ... + 68647467.

It is an arithmetic number, because the mean of its divisors is an integer number (1121241128).

Almost surely, 2^7139331212 is an apocalyptic number.

It is an amenable number.

7139331212 is a deficient number, since it is larger than the sum of its proper divisors (6315562324).

7139331212 is a wasteful number, since it uses less digits than its factorization.

7139331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137294848 (or 137294846 counting only the distinct ones).

The product of its digits is 6804, while the sum is 32.

The square root of 7139331212 is about 84494.5632097119. The cubic root of 7139331212 is about 1925.5398462977.

The spelling of 7139331212 in words is "seven billion, one hundred thirty-nine million, three hundred thirty-one thousand, two hundred twelve".