1370138139 has 32 divisors (see below), whose sum is σ = 2074075200. Its totient is φ = 893617920.

The previous prime is 1370138131. The next prime is 1370138149. The reversal of 1370138139 is 9318310731.

It is not a de Polignac number, because 1370138139 - 2³ = 1370138131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1370138131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584109 + ... + 586449.

It is an arithmetic number, because the mean of its divisors is an integer number (64814850).

Almost surely, 2^1370138139 is an apocalyptic number.

1370138139 is a deficient number, since it is larger than the sum of its proper divisors (703937061).

1370138139 is a wasteful number, since it uses less digits than its factorization.

1370138139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812 (or 2806 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1370138139 is about 37015.3770614322. The cubic root of 1370138139 is about 1110.6778693641.

The spelling of 1370138139 in words is "one billion, three hundred seventy million, one hundred thirty-eight thousand, one hundred thirty-nine".