136878094 has 8 divisors (see below), whose sum is σ = 205377480. Its totient is φ = 68418936.

The previous prime is 136878041. The next prime is 136878097. The reversal of 136878094 is 490878631.

It is a happy number.

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

It is a super-2 number, since 2×136878094² = 37471225234145672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136878097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792 + ... + 16564.

It is an arithmetic number, because the mean of its divisors is an integer number (25672185).

Almost surely, 2^136878094 is an apocalyptic number.

136878094 is a deficient number, since it is larger than the sum of its proper divisors (68499386).

136878094 is a wasteful number, since it uses less digits than its factorization.

136878094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20114.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 136878094 is about 11699.4911855174. The cubic root of 136878094 is about 515.3607225519.

The spelling of 136878094 in words is "one hundred thirty-six million, eight hundred seventy-eight thousand, ninety-four".