136525129 has 12 divisors (see below), whose sum is σ = 151280976. Its totient is φ = 123085872.

The previous prime is 136525117. The next prime is 136525139. The reversal of 136525129 is 921525631.

It is not a de Polignac number, because 136525129 - 2⁵ = 136525097 is a prime.

It is a super-2 number, since 2×136525129² = 37278221696933282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136525094 and 136525103.

It is not an unprimeable number, because it can be changed into a prime (136525139) 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, 2127 + ... + 16660.

It is an arithmetic number, because the mean of its divisors is an integer number (12606748).

Almost surely, 2^136525129 is an apocalyptic number.

It is an amenable number.

136525129 is a deficient number, since it is larger than the sum of its proper divisors (14755847).

136525129 is a wasteful number, since it uses less digits than its factorization.

136525129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18856 (or 18843 counting only the distinct ones).

The product of its digits is 16200, while the sum is 34.

The square root of 136525129 is about 11684.3968179791. The cubic root of 136525129 is about 514.9173575248.

It can be divided in two parts, 13652 and 5129, that added together give a palindrome (18781).

The spelling of 136525129 in words is "one hundred thirty-six million, five hundred twenty-five thousand, one hundred twenty-nine".