136553634 has 64 divisors (see below), whose sum is σ = 358790400. Its totient is φ = 37666944.

The previous prime is 136553623. The next prime is 136553647. The reversal of 136553634 is 436355631.

136553634 is a `hidden beast` number, since 13 + 6 + 5 + 5 + 3 + 634 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4734 + ... + 17190.

It is an arithmetic number, because the mean of its divisors is an integer number (5606100).

Almost surely, 2^136553634 is an apocalyptic number.

136553634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 136553634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179395200).

136553634 is an abundant number, since it is smaller than the sum of its proper divisors (222236766).

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

136553634 is a wasteful number, since it uses less digits than its factorization.

136553634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12504 (or 12498 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 136553634 is about 11685.6165434264. The cubic root of 136553634 is about 514.9531914600.

The spelling of 136553634 in words is "one hundred thirty-six million, five hundred fifty-three thousand, six hundred thirty-four".