136331745 has 32 divisors (see below), whose sum is σ = 250490880. Its totient is φ = 62619840.

The previous prime is 136331743. The next prime is 136331749. The reversal of 136331745 is 547133631.

It is not a de Polignac number, because 136331745 - 2¹ = 136331743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (136331743) 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, 18609 + ... + 24878.

It is an arithmetic number, because the mean of its divisors is an integer number (7827840).

Almost surely, 2^136331745 is an apocalyptic number.

136331745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136331745 is a deficient number, since it is larger than the sum of its proper divisors (114159135).

136331745 is a wasteful number, since it uses less digits than its factorization.

136331745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43525.

The product of its digits is 22680, while the sum is 33.

The square root of 136331745 is about 11676.1185759652. The cubic root of 136331745 is about 514.6741206645.

The spelling of 136331745 in words is "one hundred thirty-six million, three hundred thirty-one thousand, seven hundred forty-five".