136426529 has 4 divisors (see below), whose sum is σ = 136521876. Its totient is φ = 136331184.

The previous prime is 136426463. The next prime is 136426541. The reversal of 136426529 is 925624631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71656225 + 64770304 = 8465^2 + 8048^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136426529 is a prime.

It is a super-2 number, since 2×136426529² = 37224395629975682, 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 = 136426492 and 136426501.

It is not an unprimeable number, because it can be changed into a prime (136426559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45494 + ... + 48399.

It is an arithmetic number, because the mean of its divisors is an integer number (34130469).

Almost surely, 2^136426529 is an apocalyptic number.

It is an amenable number.

136426529 is a deficient number, since it is larger than the sum of its proper divisors (95347).

136426529 is an equidigital number, since it uses as much as digits as its factorization.

136426529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95346.

The product of its digits is 77760, while the sum is 38.

The square root of 136426529 is about 11680.1767537996. The cubic root of 136426529 is about 514.7933679483.

The spelling of 136426529 in words is "one hundred thirty-six million, four hundred twenty-six thousand, five hundred twenty-nine".