136330552523 has 4 divisors (see below), whose sum is σ = 148724239128. Its totient is φ = 123936865920.

The previous prime is 136330552513. The next prime is 136330552549. The reversal of 136330552523 is 325255033631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136330552523 - 2¹⁰ = 136330551499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136330552513) 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, 6196843286 + ... + 6196843307.

It is an arithmetic number, because the mean of its divisors is an integer number (37181059782).

Almost surely, 2^136330552523 is an apocalyptic number.

136330552523 is a deficient number, since it is larger than the sum of its proper divisors (12393686605).

136330552523 is a wasteful number, since it uses less digits than its factorization.

136330552523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12393686604.

The product of its (nonzero) digits is 243000, while the sum is 38.

The spelling of 136330552523 in words is "one hundred thirty-six billion, three hundred thirty million, five hundred fifty-two thousand, five hundred twenty-three".