1373731164 has 60 divisors (see below), whose sum is σ = 3867462984. Its totient is φ = 422685216.

The previous prime is 1373731159. The next prime is 1373731193. The reversal of 1373731164 is 4611373731.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 158862 + ... + 167285.

Almost surely, 2^1373731164 is an apocalyptic number.

It is an amenable number.

1373731164 is an abundant number, since it is smaller than the sum of its proper divisors (2493731820).

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

1373731164 is a wasteful number, since it uses less digits than its factorization.

1373731164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326176 (or 326165 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 1373731164 is about 37063.8795055240. The cubic root of 1373731164 is about 1111.6478956551.

The spelling of 1373731164 in words is "one billion, three hundred seventy-three million, seven hundred thirty-one thousand, one hundred sixty-four".