3216139396 has 12 divisors (see below), whose sum is σ = 5637001552. Its totient is φ = 1605567528.

The previous prime is 3216139393. The next prime is 3216139439. The reversal of 3216139396 is 6939316123.

3216139396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3216139396² = 20687105229006489632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3216139391) 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, 622650 + ... + 627793.

Almost surely, 2^3216139396 is an apocalyptic number.

It is an amenable number.

3216139396 is a deficient number, since it is larger than the sum of its proper divisors (2420862156).

3216139396 is a wasteful number, since it uses less digits than its factorization.

3216139396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251090 (or 1251088 counting only the distinct ones).

The product of its digits is 157464, while the sum is 43.

The square root of 3216139396 is about 56711.0165311820. The cubic root of 3216139396 is about 1476.0858645514.

The spelling of 3216139396 in words is "three billion, two hundred sixteen million, one hundred thirty-nine thousand, three hundred ninety-six".