1373638975 has 6 divisors (see below), whose sum is σ = 1703312360. Its totient is φ = 1098911160.

The previous prime is 1373638963. The next prime is 1373638993. The reversal of 1373638975 is 5798363731.

It is not a de Polignac number, because 1373638975 - 2²¹ = 1371541823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27472755 + ... + 27472804.

Almost surely, 2^1373638975 is an apocalyptic number.

1373638975 is a deficient number, since it is larger than the sum of its proper divisors (329673385).

1373638975 is an equidigital number, since it uses as much as digits as its factorization.

1373638975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54945569 (or 54945564 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 52.

The square root of 1373638975 is about 37062.6358344897. The cubic root of 1373638975 is about 1111.6230281014.

The spelling of 1373638975 in words is "one billion, three hundred seventy-three million, six hundred thirty-eight thousand, nine hundred seventy-five".