136663604 has 48 divisors (see below), whose sum is σ = 299080320. Its totient is φ = 53084160.

The previous prime is 136663577. The next prime is 136663609. The reversal of 136663604 is 406366631.

136663604 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136663609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177332 + ... + 178100.

It is an arithmetic number, because the mean of its divisors is an integer number (6230840).

Almost surely, 2^136663604 is an apocalyptic number.

136663604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136663604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149540160).

136663604 is an abundant number, since it is smaller than the sum of its proper divisors (162416716).

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

136663604 is a wasteful number, since it uses less digits than its factorization.

136663604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 136663604 is about 11690.3209536779. The cubic root of 136663604 is about 515.0913891921.

The spelling of 136663604 in words is "one hundred thirty-six million, six hundred sixty-three thousand, six hundred four".