1381012976 has 20 divisors (see below), whose sum is σ = 3057957552. Its totient is φ = 591862656.

The previous prime is 1381012951. The next prime is 1381012981. The reversal of 1381012976 is 6792101831.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6165125 + ... + 6165348.

Almost surely, 2^1381012976 is an apocalyptic number.

1381012976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1381012976 is an abundant number, since it is smaller than the sum of its proper divisors (1676944576).

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

1381012976 is a wasteful number, since it uses less digits than its factorization.

1381012976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12330488 (or 12330482 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1381012976 is about 37161.9829395580. The cubic root of 1381012976 is about 1113.6086262310.

The spelling of 1381012976 in words is "one billion, three hundred eighty-one million, twelve thousand, nine hundred seventy-six".