1397087995 has 8 divisors (see below), whose sum is σ = 1721816784. Its totient is φ = 1087462944.

The previous prime is 1397087981. The next prime is 1397088013. The reversal of 1397087995 is 5997807931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1397087995 - 2²⁷ = 1262870267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3775729 + ... + 3776098.

It is an arithmetic number, because the mean of its divisors is an integer number (215227098).

Almost surely, 2^1397087995 is an apocalyptic number.

1397087995 is a deficient number, since it is larger than the sum of its proper divisors (324728789).

1397087995 is an equidigital number, since it uses as much as digits as its factorization.

1397087995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7551869.

The product of its (nonzero) digits is 4286520, while the sum is 58.

The square root of 1397087995 is about 37377.6403080772. The cubic root of 1397087995 is about 1117.9127780261.

The spelling of 1397087995 in words is "one billion, three hundred ninety-seven million, eighty-seven thousand, nine hundred ninety-five".