136473659 has 4 divisors (see below), whose sum is σ = 155969904. Its totient is φ = 116977416.

The previous prime is 136473643. The next prime is 136473679. The reversal of 136473659 is 956374631.

It is a happy number.

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 136473659 - 2⁴ = 136473643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136473619) 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, 9748112 + ... + 9748125.

It is an arithmetic number, because the mean of its divisors is an integer number (38992476).

Almost surely, 2^136473659 is an apocalyptic number.

136473659 is a deficient number, since it is larger than the sum of its proper divisors (19496245).

136473659 is an equidigital number, since it uses as much as digits as its factorization.

136473659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19496244.

The product of its digits is 408240, while the sum is 44.

The square root of 136473659 is about 11682.1941004248. The cubic root of 136473659 is about 514.8526414104.

The spelling of 136473659 in words is "one hundred thirty-six million, four hundred seventy-three thousand, six hundred fifty-nine".