137890375379 has 8 divisors (see below), whose sum is σ = 139310115840. Its totient is φ = 136473061896.

The previous prime is 137890375339. The next prime is 137890375393. The reversal of 137890375379 is 973573098731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137890375379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137890375339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492419 + ... + 719900.

It is an arithmetic number, because the mean of its divisors is an integer number (17413764480).

Almost surely, 2^137890375379 is an apocalyptic number.

137890375379 is a deficient number, since it is larger than the sum of its proper divisors (1419740461).

137890375379 is a wasteful number, since it uses less digits than its factorization.

137890375379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213489.

The product of its (nonzero) digits is 30005640, while the sum is 62.

The spelling of 137890375379 in words is "one hundred thirty-seven billion, eight hundred ninety million, three hundred seventy-five thousand, three hundred seventy-nine".