1397107356 has 12 divisors (see below), whose sum is σ = 3259917192. Its totient is φ = 465702448.

The previous prime is 1397107343. The next prime is 1397107363. The reversal of 1397107356 is 6537017931.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×1397107356³ (a number of 28 digits) contains 333 as substring.

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, 58212795 + ... + 58212818.

It is an arithmetic number, because the mean of its divisors is an integer number (271659766).

Almost surely, 2^1397107356 is an apocalyptic number.

It is an amenable number.

1397107356 is an abundant number, since it is smaller than the sum of its proper divisors (1862809836).

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

1397107356 is a wasteful number, since it uses less digits than its factorization.

1397107356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116425620 (or 116425618 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 42.

The square root of 1397107356 is about 37377.8992989173. The cubic root of 1397107356 is about 1117.9179420552.

The spelling of 1397107356 in words is "one billion, three hundred ninety-seven million, one hundred seven thousand, three hundred fifty-six".