1368008631 has 48 divisors (see below), whose sum is σ = 2200573440. Its totient is φ = 811944000.

The previous prime is 1368008563. The next prime is 1368008639.

1368008631 is a `hidden beast` number, since 13 + 6 + 8 + 0 + 0 + 8 + 631 = 666.

1368008631 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1368008631 - 2⁹ = 1368008119 is a prime.

It is a super-2 number, since 2×1368008631² = 3742895228980988322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368008639) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2167686 + ... + 2168316.

It is an arithmetic number, because the mean of its divisors is an integer number (45845280).

Almost surely, 2^1368008631 is an apocalyptic number.

1368008631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1368008631 is a deficient number, since it is larger than the sum of its proper divisors (832564809).

1368008631 is a wasteful number, since it uses less digits than its factorization.

1368008631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1368008631 is about 36986.6006953870. The cubic root of 1368008631 is about 1110.1021551952.

The spelling of 1368008631 in words is "one billion, three hundred sixty-eight million, eight thousand, six hundred thirty-one".