136622973 has 12 divisors (see below), whose sum is σ = 188665568. Its totient is φ = 87939600.

The previous prime is 136622971. The next prime is 136622987. The reversal of 136622973 is 379226631.

136622973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136622973 - 2¹ = 136622971 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 (136622971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24553 + ... + 29598.

Almost surely, 2^136622973 is an apocalyptic number.

It is an amenable number.

136622973 is a deficient number, since it is larger than the sum of its proper divisors (52042595).

136622973 is an equidigital number, since it uses as much as digits as its factorization.

136622973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54212 (or 54183 counting only the distinct ones).

The product of its digits is 81648, while the sum is 39.

The square root of 136622973 is about 11688.5830193399. The cubic root of 136622973 is about 515.0403374318.

The spelling of 136622973 in words is "one hundred thirty-six million, six hundred twenty-two thousand, nine hundred seventy-three".