136506401215 has 16 divisors (see below), whose sum is σ = 168247857600. Its totient is φ = 106245457920.

The previous prime is 136506400957. The next prime is 136506401237. The reversal of 136506401215 is 512104605631.

It is a de Polignac number, because none of the positive numbers 2^k-136506401215 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3711486 + ... + 3748084.

It is an arithmetic number, because the mean of its divisors is an integer number (10515491100).

Almost surely, 2^136506401215 is an apocalyptic number.

136506401215 is a deficient number, since it is larger than the sum of its proper divisors (31741456385).

136506401215 is a wasteful number, since it uses less digits than its factorization.

136506401215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56802.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 136506401215 in words is "one hundred thirty-six billion, five hundred six million, four hundred one thousand, two hundred fifteen".