137117389 has 4 divisors (see below), whose sum is σ = 137216800. Its totient is φ = 137017980.

The previous prime is 137117381. The next prime is 137117419. The reversal of 137117389 is 983711731.

137117389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137117389 - 2³ = 137117381 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 (137117381) 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, 47607 + ... + 50404.

It is an arithmetic number, because the mean of its divisors is an integer number (34304200).

Almost surely, 2^137117389 is an apocalyptic number.

It is an amenable number.

137117389 is a deficient number, since it is larger than the sum of its proper divisors (99411).

137117389 is an equidigital number, since it uses as much as digits as its factorization.

137117389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99410.

The product of its digits is 31752, while the sum is 40.

The square root of 137117389 is about 11709.7134465366. The cubic root of 137117389 is about 515.6608715001.

The spelling of 137117389 in words is "one hundred thirty-seven million, one hundred seventeen thousand, three hundred eighty-nine".