136427328 has 70 divisors (see below), whose sum is σ = 404428706. Its totient is φ = 45474048.

The previous prime is 136427327. The next prime is 136427341. The reversal of 136427328 is 823724631.

It is a happy number.

136427328 is a `hidden beast` number, since 1 + 3 + 642 + 7 + 3 + 2 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 122943744 + 13483584 = 11088^2 + 3672^2 .

It is a super-2 number, since 2×136427328² = 37224831650439168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 136427292 and 136427301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136427327) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7975 + ... + 18342.

Almost surely, 2^136427328 is an apocalyptic number.

136427328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

136427328 is an abundant number, since it is smaller than the sum of its proper divisors (268001378).

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

136427328 is an equidigital number, since it uses as much as digits as its factorization.

136427328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26341 (or 26322 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 136427328 is about 11680.2109569990. The cubic root of 136427328 is about 514.7943729315.

The spelling of 136427328 in words is "one hundred thirty-six million, four hundred twenty-seven thousand, three hundred twenty-eight".