136432849 has 16 divisors (see below), whose sum is σ = 168318720. Its totient is φ = 107997120.

The previous prime is 136432847. The next prime is 136432867. The reversal of 136432849 is 948234631.

It is a happy number.

It is not a de Polignac number, because 136432849 - 2¹ = 136432847 is a prime.

It is a super-2 number, since 2×136432849² = 37227844572513602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136432847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9942 + ... + 19279.

It is an arithmetic number, because the mean of its divisors is an integer number (10519920).

Almost surely, 2^136432849 is an apocalyptic number.

It is an amenable number.

136432849 is a deficient number, since it is larger than the sum of its proper divisors (31885871).

136432849 is a wasteful number, since it uses less digits than its factorization.

136432849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29280.

The product of its digits is 124416, while the sum is 40.

The square root of 136432849 is about 11680.4472945174. The cubic root of 136432849 is about 514.8013171448.

The spelling of 136432849 in words is "one hundred thirty-six million, four hundred thirty-two thousand, eight hundred forty-nine".