3147133656 has 32 divisors (see below), whose sum is σ = 7908611760. Its totient is φ = 1043607552.

The previous prime is 3147133643. The next prime is 3147133657. The reversal of 3147133656 is 6563317413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3147133657) 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, 335085 + ... + 344348.

Almost surely, 2^3147133656 is an apocalyptic number.

It is an amenable number.

3147133656 is an abundant number, since it is smaller than the sum of its proper divisors (4761478104).

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

3147133656 is a wasteful number, since it uses less digits than its factorization.

3147133656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679635 (or 679631 counting only the distinct ones).

The product of its digits is 136080, while the sum is 39.

The square root of 3147133656 is about 56099.3195680661. The cubic root of 3147133656 is about 1465.4524426581.

The spelling of 3147133656 in words is "three billion, one hundred forty-seven million, one hundred thirty-three thousand, six hundred fifty-six".