1397175264 has 96 divisors (see below), whose sum is σ = 4169975040. Its totient is φ = 454882176.

The previous prime is 1397175223. The next prime is 1397175331. The reversal of 1397175264 is 4625717931.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18349 + ... + 55955.

It is an arithmetic number, because the mean of its divisors is an integer number (43437240).

Almost surely, 2^1397175264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1397175264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2084987520).

1397175264 is an abundant number, since it is smaller than the sum of its proper divisors (2772799776).

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

1397175264 is a wasteful number, since it uses less digits than its factorization.

1397175264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37669 (or 37655 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 1397175264 is about 37378.8076856392. The cubic root of 1397175264 is about 1117.9360543216.

The spelling of 1397175264 in words is "one billion, three hundred ninety-seven million, one hundred seventy-five thousand, two hundred sixty-four".