136133506 has 8 divisors (see below), whose sum is σ = 204367500. Its totient is φ = 68011008.

The previous prime is 136133449. The next prime is 136133513. The reversal of 136133506 is 605331631.

It can be written as a sum of positive squares in 2 ways, for example, as 134351281 + 1782225 = 11591^2 + 1335^2 .

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, 24751 + ... + 29746.

Almost surely, 2^136133506 is an apocalyptic number.

136133506 is a deficient number, since it is larger than the sum of its proper divisors (68233994).

136133506 is a wasteful number, since it uses less digits than its factorization.

136133506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55748.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 136133506 is about 11667.6264081432. The cubic root of 136133506 is about 514.4245383535.

The spelling of 136133506 in words is "one hundred thirty-six million, one hundred thirty-three thousand, five hundred six".