136654889 has 8 divisors (see below), whose sum is σ = 156302208. Its totient is φ = 117038880.

The previous prime is 136654883. The next prime is 136654901. The reversal of 136654889 is 988456631.

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

It is not a de Polignac number, because 136654889 - 2⁸ = 136654633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136654883) 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, 2429 + ... + 16709.

It is an arithmetic number, because the mean of its divisors is an integer number (19537776).

Almost surely, 2^136654889 is an apocalyptic number.

It is an amenable number.

136654889 is a deficient number, since it is larger than the sum of its proper divisors (19647319).

136654889 is a wasteful number, since it uses less digits than its factorization.

136654889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15655.

The product of its digits is 1244160, while the sum is 50.

The square root of 136654889 is about 11689.9482034781. The cubic root of 136654889 is about 515.0804398812.

The spelling of 136654889 in words is "one hundred thirty-six million, six hundred fifty-four thousand, eight hundred eighty-nine".