136331452 has 24 divisors (see below), whose sum is σ = 242049024. Its totient is φ = 67182192.

The previous prime is 136331417. The next prime is 136331453. The reversal of 136331452 is 254133631.

It is a self number, because there is not a number n which added to its sum of digits gives 136331452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136331453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84033 + ... + 85639.

It is an arithmetic number, because the mean of its divisors is an integer number (10085376).

Almost surely, 2^136331452 is an apocalyptic number.

It is an amenable number.

136331452 is a deficient number, since it is larger than the sum of its proper divisors (105717572).

136331452 is a wasteful number, since it uses less digits than its factorization.

136331452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905 (or 1903 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 136331452 is about 11676.1060289807. The cubic root of 136331452 is about 514.6737519570.

The spelling of 136331452 in words is "one hundred thirty-six million, three hundred thirty-one thousand, four hundred fifty-two".