136598672 has 120 divisors (see below), whose sum is σ = 335998584. Its totient is φ = 53415936.

The previous prime is 136598641. The next prime is 136598687. The reversal of 136598672 is 276895631.

It can be written as a sum of positive squares in 4 ways, for example, as 42198016 + 94400656 = 6496^2 + 9716^2 .

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, 492998 + ... + 493274.

Almost surely, 2^136598672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136598672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167999292).

136598672 is an abundant number, since it is smaller than the sum of its proper divisors (199399912).

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

136598672 is a wasteful number, since it uses less digits than its factorization.

136598672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 340 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 136598672 is about 11687.5434544647. The cubic root of 136598672 is about 515.0097990406.

The spelling of 136598672 in words is "one hundred thirty-six million, five hundred ninety-eight thousand, six hundred seventy-two".