1373908061 has 4 divisors (see below), whose sum is σ = 1376225532. Its totient is φ = 1371590592.

The previous prime is 1373908037. The next prime is 1373908111. The reversal of 1373908061 is 1608093731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1080436900 + 293471161 = 32870^2 + 17131^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373908061 - 2²² = 1369713757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373008061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157846 + ... + 1159031.

It is an arithmetic number, because the mean of its divisors is an integer number (344056383).

Almost surely, 2^1373908061 is an apocalyptic number.

It is an amenable number.

1373908061 is a deficient number, since it is larger than the sum of its proper divisors (2317471).

1373908061 is an equidigital number, since it uses as much as digits as its factorization.

1373908061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317470.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 1373908061 is about 37066.2658086838. The cubic root of 1373908061 is about 1111.6956096821.

The spelling of 1373908061 in words is "one billion, three hundred seventy-three million, nine hundred eight thousand, sixty-one".