1373387755 has 16 divisors (see below), whose sum is σ = 1749448800. Its totient is φ = 1031450112.

The previous prime is 1373387749. The next prime is 1373387777. The reversal of 1373387755 is 5577833731.

It is not a de Polignac number, because 1373387755 - 2⁵ = 1373387723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1373387699 and 1373387708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13396 + ... + 54094.

It is an arithmetic number, because the mean of its divisors is an integer number (109340550).

Almost surely, 2^1373387755 is an apocalyptic number.

1373387755 is a deficient number, since it is larger than the sum of its proper divisors (376061045).

1373387755 is a wasteful number, since it uses less digits than its factorization.

1373387755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41118.

The product of its digits is 1852200, while the sum is 49.

The square root of 1373387755 is about 37059.2465519740. The cubic root of 1373387755 is about 1111.5552570280. Note that the first 3 decimals are identical.

The spelling of 1373387755 in words is "one billion, three hundred seventy-three million, three hundred eighty-seven thousand, seven hundred fifty-five".