136537472 has 48 divisors (see below), whose sum is σ = 289028220. Its totient is φ = 64235520.

The previous prime is 136537469. The next prime is 136537483. The reversal of 136537472 is 274735631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35147 + ... + 38837.

Almost surely, 2^136537472 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 136537472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144514110).

136537472 is an abundant number, since it is smaller than the sum of its proper divisors (152490748).

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

136537472 is an equidigital number, since it uses as much as digits as its factorization.

136537472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3739 (or 3710 counting only the distinct ones).

The product of its digits is 105840, while the sum is 38.

The square root of 136537472 is about 11684.9249890618. The cubic root of 136537472 is about 514.9328746521.

The spelling of 136537472 in words is "one hundred thirty-six million, five hundred thirty-seven thousand, four hundred seventy-two".