136133646 has 32 divisors (see below), whose sum is σ = 297589248. Its totient is φ = 41173440.

The previous prime is 136133629. The next prime is 136133677. The reversal of 136133646 is 646331631.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

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, 39051 + ... + 42393.

It is an arithmetic number, because the mean of its divisors is an integer number (9299664).

Almost surely, 2^136133646 is an apocalyptic number.

136133646 is an abundant number, since it is smaller than the sum of its proper divisors (161455602).

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

136133646 is a wasteful number, since it uses less digits than its factorization.

136133646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976.

The product of its digits is 23328, while the sum is 33.

The square root of 136133646 is about 11667.6324076481. The cubic root of 136133646 is about 514.4247146985.

The spelling of 136133646 in words is "one hundred thirty-six million, one hundred thirty-three thousand, six hundred forty-six".