1396766975 has 24 divisors (see below), whose sum is σ = 1749330000. Its totient is φ = 1106282240.

The previous prime is 1396766953. The next prime is 1396766989. The reversal of 1396766975 is 5796676931.

It is not a de Polignac number, because 1396766975 - 2⁸ = 1396766719 is a prime.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2119196 + ... + 2119854.

It is an arithmetic number, because the mean of its divisors is an integer number (72888750).

Almost surely, 2^1396766975 is an apocalyptic number.

1396766975 is a deficient number, since it is larger than the sum of its proper divisors (352563025).

1396766975 is a wasteful number, since it uses less digits than its factorization.

1396766975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387 (or 1382 counting only the distinct ones).

The product of its digits is 12859560, while the sum is 59.

The square root of 1396766975 is about 37373.3457827902. The cubic root of 1396766975 is about 1117.8271475691.

The spelling of 1396766975 in words is "one billion, three hundred ninety-six million, seven hundred sixty-six thousand, nine hundred seventy-five".