1373013775 has 12 divisors (see below), whose sum is σ = 1945756912. Its totient is φ = 941495040.

The previous prime is 1373013767. The next prime is 1373013881. The reversal of 1373013775 is 5773103731.

It is not a de Polignac number, because 1373013775 - 2³ = 1373013767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3922722 + ... + 3923071.

Almost surely, 2^1373013775 is an apocalyptic number.

1373013775 is a deficient number, since it is larger than the sum of its proper divisors (572743137).

1373013775 is an equidigital number, since it uses as much as digits as its factorization.

1373013775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7845810 (or 7845805 counting only the distinct ones).

The product of its (nonzero) digits is 46305, while the sum is 37.

The square root of 1373013775 is about 37054.2005041264. The cubic root of 1373013775 is about 1111.4543539457.

The spelling of 1373013775 in words is "one billion, three hundred seventy-three million, thirteen thousand, seven hundred seventy-five".