136607634 has 20 divisors (see below), whose sum is σ = 306102654. Its totient is φ = 45535824.

The previous prime is 136607633. The next prime is 136607693. The reversal of 136607634 is 436706631.

It is a happy number.

136607634 is a `hidden beast` number, since 13 + 6 + 6 + 0 + 7 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 130028409 + 6579225 = 11403^2 + 2565^2 .

It is not an unprimeable number, because it can be changed into a prime (136607633) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 421467 + ... + 421790.

Almost surely, 2^136607634 is an apocalyptic number.

136607634 is an abundant number, since it is smaller than the sum of its proper divisors (169495020).

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

136607634 is an equidigital number, since it uses as much as digits as its factorization.

136607634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843271 (or 843262 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 136607634 is about 11687.9268478204. The cubic root of 136607634 is about 515.0210617584.

The spelling of 136607634 in words is "one hundred thirty-six million, six hundred seven thousand, six hundred thirty-four".