1373138290 has 16 divisors (see below), whose sum is σ = 2473037568. Its totient is φ = 548946736.

The previous prime is 1373138287. The next prime is 1373138317. The reversal of 1373138290 is 928313731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19432 + ... + 55891.

It is an arithmetic number, because the mean of its divisors is an integer number (154564848).

Almost surely, 2^1373138290 is an apocalyptic number.

1373138290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1373138290 is a deficient number, since it is larger than the sum of its proper divisors (1099899278).

1373138290 is a wasteful number, since it uses less digits than its factorization.

1373138290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77153.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1373138290 is about 37055.8806399200. The cubic root of 1373138290 is about 1111.4879512187.

The spelling of 1373138290 in words is "one billion, three hundred seventy-three million, one hundred thirty-eight thousand, two hundred ninety".