1356992631 has 12 divisors (see below), whose sum is σ = 1962273352. Its totient is φ = 903658896.

The previous prime is 1356992599. The next prime is 1356992719. The reversal of 1356992631 is 1362996531.

1356992631 is a `hidden beast` number, since 1 + 3 + 5 + 6 + 9 + 9 + 2 + 631 = 666.

It is not a de Polignac number, because 1356992631 - 2⁵ = 1356992599 is a prime.

It is a super-2 number, since 2×1356992631² = 3682858001176604322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356992431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74956 + ... + 91281.

Almost surely, 2^1356992631 is an apocalyptic number.

1356992631 is a deficient number, since it is larger than the sum of its proper divisors (605280721).

1356992631 is a wasteful number, since it uses less digits than its factorization.

1356992631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167150 (or 167147 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 1356992631 is about 36837.3808922404. The cubic root of 1356992631 is about 1107.1143919607.

The spelling of 1356992631 in words is "one billion, three hundred fifty-six million, nine hundred ninety-two thousand, six hundred thirty-one".