136631193 has 32 divisors (see below), whose sum is σ = 198132480. Its totient is φ = 83435520.

The previous prime is 136631161. The next prime is 136631219. The reversal of 136631193 is 391136631.

It is not a de Polignac number, because 136631193 - 2⁵ = 136631161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136631113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351043 + ... + 351431.

It is an arithmetic number, because the mean of its divisors is an integer number (6191640).

Almost surely, 2^136631193 is an apocalyptic number.

It is an amenable number.

136631193 is a deficient number, since it is larger than the sum of its proper divisors (61501287).

136631193 is a wasteful number, since it uses less digits than its factorization.

136631193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577.

The product of its digits is 8748, while the sum is 33.

The square root of 136631193 is about 11688.9346392218. The cubic root of 136631193 is about 515.0506664577.

The spelling of 136631193 in words is "one hundred thirty-six million, six hundred thirty-one thousand, one hundred ninety-three".