1397064190 has 32 divisors (see below), whose sum is σ = 2593244160. Its totient is φ = 541606944.

The previous prime is 1397064173. The next prime is 1397064191. The reversal of 1397064190 is 914607931.

It is a super-2 number, since 2×1397064190² = 3903576701960712200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397064191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33981 + ... + 62839.

It is an arithmetic number, because the mean of its divisors is an integer number (81038880).

Almost surely, 2^1397064190 is an apocalyptic number.

1397064190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1397064190 is a deficient number, since it is larger than the sum of its proper divisors (1196179970).

1397064190 is a wasteful number, since it uses less digits than its factorization.

1397064190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29016.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 1397064190 is about 37377.3218676780. The cubic root of 1397064190 is about 1117.9064286134.

The spelling of 1397064190 in words is "one billion, three hundred ninety-seven million, sixty-four thousand, one hundred ninety".