136916633 has 6 divisors (see below), whose sum is σ = 159270426. Its totient is φ = 117357072.

The previous prime is 136916617. The next prime is 136916651. The reversal of 136916633 is 336619631.

It can be written as a sum of positive squares in only one way, i.e., 128436889 + 8479744 = 11333^2 + 2912^2 .

It is not a de Polignac number, because 136916633 - 2⁴ = 136916617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136916653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1397060 + ... + 1397157.

It is an arithmetic number, because the mean of its divisors is an integer number (26545071).

Almost surely, 2^136916633 is an apocalyptic number.

It is an amenable number.

136916633 is a deficient number, since it is larger than the sum of its proper divisors (22353793).

136916633 is an equidigital number, since it uses as much as digits as its factorization.

136916633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794231 (or 2794224 counting only the distinct ones).

The product of its digits is 52488, while the sum is 38.

The square root of 136916633 is about 11701.1381070390. The cubic root of 136916633 is about 515.4090858377.

The spelling of 136916633 in words is "one hundred thirty-six million, nine hundred sixteen thousand, six hundred thirty-three".