1520137364 has 12 divisors (see below), whose sum is σ = 2692292064. Its totient is φ = 750911064.

The previous prime is 1520137349. The next prime is 1520137387. The reversal of 1520137364 is 4637310251.

It is a self number, because there is not a number n which added to its sum of digits gives 1520137364.

It is a congruent number.

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, 2289032 + ... + 2289695.

It is an arithmetic number, because the mean of its divisors is an integer number (224357672).

Almost surely, 2^1520137364 is an apocalyptic number.

It is an amenable number.

1520137364 is a deficient number, since it is larger than the sum of its proper divisors (1172154700).

1520137364 is a wasteful number, since it uses less digits than its factorization.

1520137364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4578814 (or 4578812 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1520137364 is about 38988.9389955664. The cubic root of 1520137364 is about 1149.8140503377.

The spelling of 1520137364 in words is "one billion, five hundred twenty million, one hundred thirty-seven thousand, three hundred sixty-four".