136873959 has 8 divisors (see below), whose sum is σ = 188385792. Its totient is φ = 88305720.

The previous prime is 136873951. The next prime is 136873993. The reversal of 136873959 is 959378631.

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

It is not a de Polignac number, because 136873959 - 2³ = 136873951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136873951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735789 + ... + 735974.

It is an arithmetic number, because the mean of its divisors is an integer number (23548224).

Almost surely, 2^136873959 is an apocalyptic number.

136873959 is a deficient number, since it is larger than the sum of its proper divisors (51511833).

136873959 is a wasteful number, since it uses less digits than its factorization.

136873959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471797.

The product of its digits is 1224720, while the sum is 51.

The square root of 136873959 is about 11699.3144670959. The cubic root of 136873959 is about 515.3555329266.

The spelling of 136873959 in words is "one hundred thirty-six million, eight hundred seventy-three thousand, nine hundred fifty-nine".