136676129 has 8 divisors (see below), whose sum is σ = 139330368. Its totient is φ = 134047600.

The previous prime is 136676123. The next prime is 136676147. The reversal of 136676129 is 921676631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136676129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136676123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4484 + ... + 17130.

It is an arithmetic number, because the mean of its divisors is an integer number (17416296).

Almost surely, 2^136676129 is an apocalyptic number.

It is an amenable number.

136676129 is a deficient number, since it is larger than the sum of its proper divisors (2654239).

136676129 is a wasteful number, since it uses less digits than its factorization.

136676129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12855.

The product of its digits is 81648, while the sum is 41.

The square root of 136676129 is about 11690.8566409823. The cubic root of 136676129 is about 515.1071244778.

The spelling of 136676129 in words is "one hundred thirty-six million, six hundred seventy-six thousand, one hundred twenty-nine".