136008381 has 16 divisors (see below), whose sum is σ = 194721408. Its totient is φ = 84134400.

The previous prime is 136008371. The next prime is 136008401. The reversal of 136008381 is 183800631.

136008381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136008381 - 2⁵ = 136008349 is a prime.

It is a super-2 number, since 2×136008381² = 36996559404482322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136008311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15160 + ... + 22401.

It is an arithmetic number, because the mean of its divisors is an integer number (12170088).

Almost surely, 2^136008381 is an apocalyptic number.

It is an amenable number.

136008381 is a deficient number, since it is larger than the sum of its proper divisors (58713027).

136008381 is a wasteful number, since it uses less digits than its factorization.

136008381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37652.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 136008381 is about 11662.2631165653. The cubic root of 136008381 is about 514.2668815965.

The spelling of 136008381 in words is "one hundred thirty-six million, eight thousand, three hundred eighty-one".