136430829 has 6 divisors (see below), whose sum is σ = 197066766. Its totient is φ = 90953880.

The previous prime is 136430717. The next prime is 136430843. The reversal of 136430829 is 928034631.

136430829 is a `hidden beast` number, since 1 + 3 + 643 + 0 + 8 + 2 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 75168900 + 61261929 = 8670^2 + 7827^2 .

It is not a de Polignac number, because 136430829 - 2⁸ = 136430573 is a prime.

It is a super-2 number, since 2×136430829² = 37226742203254482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136430793 and 136430802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136430869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7579482 + ... + 7579499.

It is an arithmetic number, because the mean of its divisors is an integer number (32844461).

Almost surely, 2^136430829 is an apocalyptic number.

It is an amenable number.

136430829 is a deficient number, since it is larger than the sum of its proper divisors (60635937).

136430829 is a wasteful number, since it uses less digits than its factorization.

136430829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15158987 (or 15158984 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 136430829 is about 11680.3608249061. The cubic root of 136430829 is about 514.7987764473.

The spelling of 136430829 in words is "one hundred thirty-six million, four hundred thirty thousand, eight hundred twenty-nine".