136884429 has 12 divisors (see below), whose sum is σ = 215696832. Its totient is φ = 82960200.

The previous prime is 136884413. The next prime is 136884439. The reversal of 136884429 is 924488631.

It is a happy number.

It is not a de Polignac number, because 136884429 - 2⁴ = 136884413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136884439) 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 11 ways as a sum of consecutive naturals, for example, 691237 + ... + 691434.

It is an arithmetic number, because the mean of its divisors is an integer number (17974736).

Almost surely, 2^136884429 is an apocalyptic number.

It is an amenable number.

136884429 is a deficient number, since it is larger than the sum of its proper divisors (78812403).

136884429 is a wasteful number, since it uses less digits than its factorization.

136884429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382688 (or 1382685 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 136884429 is about 11699.7619206546. The cubic root of 136884429 is about 515.3686730810.

The spelling of 136884429 in words is "one hundred thirty-six million, eight hundred eighty-four thousand, four hundred twenty-nine".