137164973 has 4 divisors (see below), whose sum is σ = 149634528. Its totient is φ = 124695420.

The previous prime is 137164961. The next prime is 137165023. The reversal of 137164973 is 379461731.

137164973 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 137164973 - 2⁸ = 137164717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137164973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137164913) 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, 6234761 + ... + 6234782.

It is an arithmetic number, because the mean of its divisors is an integer number (37408632).

Almost surely, 2^137164973 is an apocalyptic number.

It is an amenable number.

137164973 is a deficient number, since it is larger than the sum of its proper divisors (12469555).

137164973 is a wasteful number, since it uses less digits than its factorization.

137164973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12469554.

The product of its digits is 95256, while the sum is 41.

The square root of 137164973 is about 11711.7450877314. The cubic root of 137164973 is about 515.7205147232.

The spelling of 137164973 in words is "one hundred thirty-seven million, one hundred sixty-four thousand, nine hundred seventy-three".