136389155 has 32 divisors (see below), whose sum is σ = 191600640. Its totient is φ = 91278720.

The previous prime is 136389073. The next prime is 136389157. The reversal of 136389155 is 551983631.

It is not a de Polignac number, because 136389155 - 2⁸ = 136388899 is a prime.

It is a super-3 number, since 3×136389155³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (136389157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295625 + ... + 296085.

It is an arithmetic number, because the mean of its divisors is an integer number (5987520).

Almost surely, 2^136389155 is an apocalyptic number.

136389155 is a deficient number, since it is larger than the sum of its proper divisors (55211485).

136389155 is a wasteful number, since it uses less digits than its factorization.

136389155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659.

The product of its digits is 97200, while the sum is 41.

The square root of 136389155 is about 11678.5767540399. The cubic root of 136389155 is about 514.7463545004.

The spelling of 136389155 in words is "one hundred thirty-six million, three hundred eighty-nine thousand, one hundred fifty-five".