1355913872 has 20 divisors (see below), whose sum is σ = 2765351280. Its totient is φ = 642274848.

The previous prime is 1355913851. The next prime is 1355913947. The reversal of 1355913872 is 2783195531.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2229818 + ... + 2230425.

It is an arithmetic number, because the mean of its divisors is an integer number (138267564).

Almost surely, 2^1355913872 is an apocalyptic number.

It is an amenable number.

1355913872 is an abundant number, since it is smaller than the sum of its proper divisors (1409437408).

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

1355913872 is a wasteful number, since it uses less digits than its factorization.

1355913872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460270 (or 4460264 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The square root of 1355913872 is about 36822.7358027619. The cubic root of 1355913872 is about 1106.8209425088.

The spelling of 1355913872 in words is "one billion, three hundred fifty-five million, nine hundred thirteen thousand, eight hundred seventy-two".