136731954 has 8 divisors (see below), whose sum is σ = 273463920. Its totient is φ = 45577316.

The previous prime is 136731953. The next prime is 136731989. The reversal of 136731954 is 459137631.

136731954 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

136731954 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136731953) 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, 11394324 + ... + 11394335.

It is an arithmetic number, because the mean of its divisors is an integer number (34182990).

Almost surely, 2^136731954 is an apocalyptic number.

136731954 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136731954 is a wasteful number, since it uses less digits than its factorization.

136731954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22788664.

The product of its digits is 68040, while the sum is 39.

The square root of 136731954 is about 11693.2439468267. The cubic root of 136731954 is about 515.1772463083.

The spelling of 136731954 in words is "one hundred thirty-six million, seven hundred thirty-one thousand, nine hundred fifty-four".