136712923 has 16 divisors (see below), whose sum is σ = 146361600. Its totient is φ = 127332000.

The previous prime is 136712909. The next prime is 136712951. The reversal of 136712923 is 329217631.

It is a cyclic number.

It is not a de Polignac number, because 136712923 - 2¹³ = 136704731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136712903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519690 + ... + 519952.

It is an arithmetic number, because the mean of its divisors is an integer number (9147600).

Almost surely, 2^136712923 is an apocalyptic number.

136712923 is a deficient number, since it is larger than the sum of its proper divisors (9648677).

136712923 is a wasteful number, since it uses less digits than its factorization.

136712923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its digits is 13608, while the sum is 34.

The square root of 136712923 is about 11692.4301580125. The cubic root of 136712923 is about 515.1533435974.

The spelling of 136712923 in words is "one hundred thirty-six million, seven hundred twelve thousand, nine hundred twenty-three".