136686276 has 36 divisors (see below), whose sum is σ = 345875712. Its totient is φ = 45514224.

The previous prime is 136686271. The next prime is 136686281. The reversal of 136686276 is 672686631.

136686276 is a `hidden beast` number, since 13 + 6 + 6 + 8 + 627 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (136686271) and next prime (136686281).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (136686271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55201 + ... + 57623.

Almost surely, 2^136686276 is an apocalyptic number.

It is an amenable number.

136686276 is an abundant number, since it is smaller than the sum of its proper divisors (209189436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136686276 is a wasteful number, since it uses less digits than its factorization.

136686276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000 (or 3995 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 136686276 is about 11691.2906045483. The cubic root of 136686276 is about 515.1198715529.

The spelling of 136686276 in words is "one hundred thirty-six million, six hundred eighty-six thousand, two hundred seventy-six".