136231746 has 16 divisors (see below), whose sum is σ = 311386944. Its totient is φ = 38923344.

The previous prime is 136231723. The next prime is 136231751. The reversal of 136231746 is 647132631.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1621765 + ... + 1621848.

It is an arithmetic number, because the mean of its divisors is an integer number (19461684).

Almost surely, 2^136231746 is an apocalyptic number.

136231746 is an abundant number, since it is smaller than the sum of its proper divisors (175155198).

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

136231746 is a wasteful number, since it uses less digits than its factorization.

136231746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243625.

The product of its digits is 18144, while the sum is 33.

The square root of 136231746 is about 11671.8355882869. The cubic root of 136231746 is about 514.5482524838.

The spelling of 136231746 in words is "one hundred thirty-six million, two hundred thirty-one thousand, seven hundred forty-six".