136133145 has 24 divisors (see below), whose sum is σ = 236635776. Its totient is φ = 72397728.

The previous prime is 136133131. The next prime is 136133147. The reversal of 136133145 is 541331631.

136133145 is a `hidden beast` number, since 1 + 3 + 613 + 3 + 1 + 45 = 666.

It is not a de Polignac number, because 136133145 - 2⁷ = 136133017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136133147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12394 + ... + 20636.

It is an arithmetic number, because the mean of its divisors is an integer number (9859824).

Almost surely, 2^136133145 is an apocalyptic number.

136133145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136133145 is a deficient number, since it is larger than the sum of its proper divisors (100502631).

136133145 is a wasteful number, since it uses less digits than its factorization.

136133145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8621 (or 8618 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 136133145 is about 11667.6109379770. The cubic root of 136133145 is about 514.4240836346.

Adding to 136133145 its reverse (541331631), we get a palindrome (677464776).

The spelling of 136133145 in words is "one hundred thirty-six million, one hundred thirty-three thousand, one hundred forty-five".