1376851992 has 32 divisors (see below), whose sum is σ = 3535162800. Its totient is φ = 446546304.

The previous prime is 1376851991. The next prime is 1376851997. The reversal of 1376851992 is 2991586731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376851991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774367 + ... + 776142.

Almost surely, 2^1376851992 is an apocalyptic number.

1376851992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1376851992 is an abundant number, since it is smaller than the sum of its proper divisors (2158310808).

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

1376851992 is a wasteful number, since it uses less digits than its factorization.

1376851992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550555 (or 1550551 counting only the distinct ones).

The product of its digits is 816480, while the sum is 51.

The square root of 1376851992 is about 37105.9562873671. The cubic root of 1376851992 is about 1112.4890689832.

The spelling of 1376851992 in words is "one billion, three hundred seventy-six million, eight hundred fifty-one thousand, nine hundred ninety-two".