1373903564 has 12 divisors (see below), whose sum is σ = 2622906888. Its totient is φ = 624501600.

The previous prime is 1373903527. The next prime is 1373903599. The reversal of 1373903564 is 4653093731.

It is a super-2 number, since 2×1373903564² = 3775222006343804192, which contains 22 as substring.

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, 15612497 + ... + 15612584.

It is an arithmetic number, because the mean of its divisors is an integer number (218575574).

Almost surely, 2^1373903564 is an apocalyptic number.

It is an amenable number.

1373903564 is a deficient number, since it is larger than the sum of its proper divisors (1249003324).

1373903564 is a wasteful number, since it uses less digits than its factorization.

1373903564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31225096 (or 31225094 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 41.

The square root of 1373903564 is about 37066.2051470069. The cubic root of 1373903564 is about 1111.6943967672.

The spelling of 1373903564 in words is "one billion, three hundred seventy-three million, nine hundred three thousand, five hundred sixty-four".