136297488 has 80 divisors (see below), whose sum is σ = 372992000. Its totient is φ = 42768000.

The previous prime is 136297481. The next prime is 136297501. The reversal of 136297488 is 884792631.

It is a super-2 number, since 2×136297488² = 37154010470220288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (136297481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181113 + ... + 181863.

It is an arithmetic number, because the mean of its divisors is an integer number (4662400).

Almost surely, 2^136297488 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 136297488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186496000).

136297488 is an abundant number, since it is smaller than the sum of its proper divisors (236694512).

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

136297488 is a wasteful number, since it uses less digits than its factorization.

136297488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 974 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 136297488 is about 11674.6515151417. The cubic root of 136297488 is about 514.6310085037.

The spelling of 136297488 in words is "one hundred thirty-six million, two hundred ninety-seven thousand, four hundred eighty-eight".