136038607506 has 24 divisors (see below), whose sum is σ = 297668640204. Its totient is φ = 44897229600.

The previous prime is 136038607501. The next prime is 136038607517. The reversal of 136038607506 is 605706830631.

136038607506 is a `hidden beast` number, since 1 + 3 + 6 + 0 + 38 + 607 + 5 + 0 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 134622214281 + 1416393225 = 366909^2 + 37635^2 .

It is not an unprimeable number, because it can be changed into a prime (136038607501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37412541 + ... + 37416176.

Almost surely, 2^136038607506 is an apocalyptic number.

136038607506 is an abundant number, since it is smaller than the sum of its proper divisors (161630032698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136038607506 is a wasteful number, since it uses less digits than its factorization.

136038607506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74828826 (or 74828823 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 136038607506 in words is "one hundred thirty-six billion, thirty-eight million, six hundred seven thousand, five hundred six".