136532560 has 20 divisors (see below), whose sum is σ = 317438388. Its totient is φ = 54612992.

The previous prime is 136532521. The next prime is 136532563. The reversal of 136532560 is 65235631.

It can be written as a sum of positive squares in 2 ways, for example, as 102333456 + 34199104 = 10116^2 + 5848^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×136532560² = 37282279880307200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136532563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853249 + ... + 853408.

Almost surely, 2^136532560 is an apocalyptic number.

136532560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136532560 is an abundant number, since it is smaller than the sum of its proper divisors (180905828).

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

136532560 is a wasteful number, since it uses less digits than its factorization.

136532560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706670 (or 1706664 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 136532560 is about 11684.7148018255. The cubic root of 136532560 is about 514.9266995937.

The spelling of 136532560 in words is "one hundred thirty-six million, five hundred thirty-two thousand, five hundred sixty".