136218772 has 24 divisors (see below), whose sum is σ = 244702080. Its totient is φ = 66327360.

The previous prime is 136218721. The next prime is 136218779. The reversal of 136218772 is 277812631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136218779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20997 + ... + 26707.

It is an arithmetic number, because the mean of its divisors is an integer number (10195920).

Almost surely, 2^136218772 is an apocalyptic number.

It is an amenable number.

136218772 is a deficient number, since it is larger than the sum of its proper divisors (108483308).

136218772 is a wasteful number, since it uses less digits than its factorization.

136218772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5871 (or 5869 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 136218772 is about 11671.2797927220. The cubic root of 136218772 is about 514.5319176692.

The spelling of 136218772 in words is "one hundred thirty-six million, two hundred eighteen thousand, seven hundred seventy-two".