1314811992 has 64 divisors (see below), whose sum is σ = 3543482880. Its totient is φ = 404145792.

The previous prime is 1314811987. The next prime is 1314811999. The reversal of 1314811992 is 2991184131.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1314811992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314811999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473793 + ... + 476559.

It is an arithmetic number, because the mean of its divisors is an integer number (55366920).

Almost surely, 2^1314811992 is an apocalyptic number.

1314811992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1314811992 is an abundant number, since it is smaller than the sum of its proper divisors (2228670888).

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

1314811992 is a wasteful number, since it uses less digits than its factorization.

1314811992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312 (or 4308 counting only the distinct ones).

The product of its digits is 15552, while the sum is 39.

The square root of 1314811992 is about 36260.3363470335. The cubic root of 1314811992 is about 1095.5222912362.

The spelling of 1314811992 in words is "one billion, three hundred fourteen million, eight hundred eleven thousand, nine hundred ninety-two".