136434852 has 18 divisors (see below), whose sum is σ = 344877078. Its totient is φ = 45478272.

The previous prime is 136434841. The next prime is 136434869. The reversal of 136434852 is 258434631.

136434852 is a `hidden beast` number, since 1 + 3 + 643 + 4 + 8 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 108493056 + 27941796 = 10416^2 + 5286^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×136434852² = 37228937680523808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3789857 = 136434852 / (1 + 3 + 6 + 4 + 3 + 4 + 8 + 5 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1894893 + ... + 1894964.

Almost surely, 2^136434852 is an apocalyptic number.

136434852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136434852 is an abundant number, since it is smaller than the sum of its proper divisors (208442226).

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

136434852 is a wasteful number, since it uses less digits than its factorization.

136434852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789867 (or 3789862 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 136434852 is about 11680.5330357822. The cubic root of 136434852 is about 514.8038364354.

The spelling of 136434852 in words is "one hundred thirty-six million, four hundred thirty-four thousand, eight hundred fifty-two".