1376420838 has 48 divisors (see below), whose sum is σ = 3137820480. Its totient is φ = 401218272.

The previous prime is 1376420807. The next prime is 1376420887. The reversal of 1376420838 is 8380246731.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1376420838.

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 23 ways as a sum of consecutive naturals, for example, 16456 + ... + 54987.

It is an arithmetic number, because the mean of its divisors is an integer number (65371260).

Almost surely, 2^1376420838 is an apocalyptic number.

1376420838 is an abundant number, since it is smaller than the sum of its proper divisors (1761399642).

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

1376420838 is a wasteful number, since it uses less digits than its factorization.

1376420838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71493 (or 71480 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 1376420838 is about 37100.1460644025. The cubic root of 1376420838 is about 1112.3729334822.

The spelling of 1376420838 in words is "one billion, three hundred seventy-six million, four hundred twenty thousand, eight hundred thirty-eight".