136434452 has 96 divisors (see below), whose sum is σ = 320495616. Its totient is φ = 49190400.

The previous prime is 136434437. The next prime is 136434461. The reversal of 136434452 is 254434631.

It is a super-2 number, since 2×136434452² = 37228719385080608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 371573 + ... + 371939.

It is an arithmetic number, because the mean of its divisors is an integer number (3338496).

Almost surely, 2^136434452 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 136434452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160247808).

136434452 is an abundant number, since it is smaller than the sum of its proper divisors (184061164).

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

136434452 is a wasteful number, since it uses less digits than its factorization.

136434452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 475 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 136434452 is about 11680.5159132634. The cubic root of 136434452 is about 514.8033333339.

The spelling of 136434452 in words is "one hundred thirty-six million, four hundred thirty-four thousand, four hundred fifty-two".