136155506 has 8 divisors (see below), whose sum is σ = 209214684. Its totient is φ = 66417280.

The previous prime is 136155491. The next prime is 136155511. The reversal of 136155506 is 605551631.

It can be written as a sum of positive squares in 2 ways, for example, as 109725625 + 26429881 = 10475^2 + 5141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 830135 + ... + 830298.

Almost surely, 2^136155506 is an apocalyptic number.

136155506 is a deficient number, since it is larger than the sum of its proper divisors (73059178).

136155506 is a wasteful number, since it uses less digits than its factorization.

136155506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660476.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 136155506 is about 11668.5691496430. The cubic root of 136155506 is about 514.4522482357.

The spelling of 136155506 in words is "one hundred thirty-six million, one hundred fifty-five thousand, five hundred six".