136571136 has 72 divisors (see below), whose sum is σ = 391466880. Its totient is φ = 42018816.

The previous prime is 136571129. The next prime is 136571147. The reversal of 136571136 is 631175631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 136571097 and 136571106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3145 + ... + 16823.

It is an arithmetic number, because the mean of its divisors is an integer number (5437040).

Almost surely, 2^136571136 is an apocalyptic number.

136571136 is a gapful number since it is divisible by the number (16) 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 136571136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195733440).

136571136 is an abundant number, since it is smaller than the sum of its proper divisors (254895744).

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

136571136 is a wasteful number, since it uses less digits than its factorization.

136571136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13711 (or 13697 counting only the distinct ones).

The product of its digits is 11340, while the sum is 33.

The square root of 136571136 is about 11686.3653887768. The cubic root of 136571136 is about 514.9751909374.

The spelling of 136571136 in words is "one hundred thirty-six million, five hundred seventy-one thousand, one hundred thirty-six".