136602648 has 96 divisors (see below), whose sum is σ = 455364000. Its totient is φ = 36025344.

The previous prime is 136602623. The next prime is 136602659. The reversal of 136602648 is 846206631.

136602648 is a `hidden beast` number, since 1 + 3 + 6 + 6 + 0 + 2 + 648 = 666.

It is a super-2 number, since 2×136602648² = 37320566881223808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3873 + ... + 16976.

It is an arithmetic number, because the mean of its divisors is an integer number (4743375).

Almost surely, 2^136602648 is an apocalyptic number.

136602648 is a gapful number since it is divisible by the number (18) 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 136602648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227682000).

136602648 is an abundant number, since it is smaller than the sum of its proper divisors (318761352).

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

136602648 is a wasteful number, since it uses less digits than its factorization.

136602648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20881 (or 20874 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 136602648 is about 11687.7135488512. The cubic root of 136602648 is about 515.0147958171.

The spelling of 136602648 in words is "one hundred thirty-six million, six hundred two thousand, six hundred forty-eight".