136206568 has 16 divisors (see below), whose sum is σ = 255744000. Its totient is φ = 68008176.

The previous prime is 136206547. The next prime is 136206571. The reversal of 136206568 is 865602631.

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, 5608 + ... + 17431.

It is an arithmetic number, because the mean of its divisors is an integer number (15984000).

Almost surely, 2^136206568 is an apocalyptic number.

It is an amenable number.

136206568 is a deficient number, since it is larger than the sum of its proper divisors (119537432).

136206568 is a wasteful number, since it uses less digits than its factorization.

136206568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23784 (or 23780 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 136206568 is about 11670.7569591694. The cubic root of 136206568 is about 514.5165513704.

The spelling of 136206568 in words is "one hundred thirty-six million, two hundred six thousand, five hundred sixty-eight".