136878092 has 12 divisors (see below), whose sum is σ = 257962656. Its totient is φ = 63174480.

The previous prime is 136878041. The next prime is 136878097. The reversal of 136878092 is 290878631.

136878092 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×136878092² = 37471224139120928, which contains 22 as substring.

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, 1316084 + ... + 1316187.

It is an arithmetic number, because the mean of its divisors is an integer number (21496888).

Almost surely, 2^136878092 is an apocalyptic number.

It is an amenable number.

136878092 is a deficient number, since it is larger than the sum of its proper divisors (121084564).

136878092 is a wasteful number, since it uses less digits than its factorization.

136878092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632288 (or 2632286 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 136878092 is about 11699.4911000436. The cubic root of 136878092 is about 515.3607200418.

The spelling of 136878092 in words is "one hundred thirty-six million, eight hundred seventy-eight thousand, ninety-two".