136122428 has 24 divisors (see below), whose sum is σ = 259192752. Its totient is φ = 62175744.

The previous prime is 136122373. The next prime is 136122449. The reversal of 136122428 is 824221631.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 136122428.

It is a congruent number.

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, 8450 + ... + 18537.

It is an arithmetic number, because the mean of its divisors is an integer number (10799698).

Almost surely, 2^136122428 is an apocalyptic number.

It is an amenable number.

136122428 is a deficient number, since it is larger than the sum of its proper divisors (123070324).

136122428 is a wasteful number, since it uses less digits than its factorization.

136122428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27101 (or 27099 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 136122428 is about 11667.1516661094. The cubic root of 136122428 is about 514.4105840381.

The spelling of 136122428 in words is "one hundred thirty-six million, one hundred twenty-two thousand, four hundred twenty-eight".