136365643 has 8 divisors (see below), whose sum is σ = 142439328. Its totient is φ = 130304064.

The previous prime is 136365617. The next prime is 136365667. The reversal of 136365643 is 346563631.

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

It is a cyclic number.

It is not a de Polignac number, because 136365643 - 2⁵ = 136365611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136365673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26055 + ... + 30847.

It is an arithmetic number, because the mean of its divisors is an integer number (17804916).

Almost surely, 2^136365643 is an apocalyptic number.

136365643 is a deficient number, since it is larger than the sum of its proper divisors (6073685).

136365643 is a wasteful number, since it uses less digits than its factorization.

136365643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6053.

The product of its digits is 116640, while the sum is 37.

The square root of 136365643 is about 11677.5700811427. The cubic root of 136365643 is about 514.7167739183.

The spelling of 136365643 in words is "one hundred thirty-six million, three hundred sixty-five thousand, six hundred forty-three".