136646254005 has 16 divisors (see below), whose sum is σ = 220568823360. Its totient is φ = 72233063168.

The previous prime is 136646254001. The next prime is 136646254009. The reversal of 136646254005 is 500452646631.

It is an interprime number because it is at equal distance from previous prime (136646254001) and next prime (136646254009).

It is a cyclic number.

It is not a de Polignac number, because 136646254005 - 2² = 136646254001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136646254001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40306935 + ... + 40310324.

It is an arithmetic number, because the mean of its divisors is an integer number (13785551460).

Almost surely, 2^136646254005 is an apocalyptic number.

136646254005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136646254005 is a deficient number, since it is larger than the sum of its proper divisors (83922569355).

136646254005 is a wasteful number, since it uses less digits than its factorization.

136646254005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80617380.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 136646254005 in words is "one hundred thirty-six billion, six hundred forty-six million, two hundred fifty-four thousand, five".