136526229 has 120 divisors (see below), whose sum is σ = 265541760. Its totient is φ = 68257728.

The previous prime is 136526207. The next prime is 136526231. The reversal of 136526229 is 922625631.

It is not a de Polignac number, because 136526229 - 2⁹ = 136525717 is a prime.

It is a super-2 number, since 2×136526229² = 37278822409920882, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (38880) is a multiple of the sum of its prime divisors (81).

It is a junction number, because it is equal to n+sod(n) for n = 136526193 and 136526202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136526249) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4707787 + ... + 4707815.

It is an arithmetic number, because the mean of its divisors is an integer number (2212848).

Almost surely, 2^136526229 is an apocalyptic number.

136526229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

136526229 is a deficient number, since it is larger than the sum of its proper divisors (129015531).

136526229 is a wasteful number, since it uses less digits than its factorization.

136526229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 81 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 136526229 is about 11684.4438892059. The cubic root of 136526229 is about 514.9187404389.

It can be divided in two parts, 13652 and 6229, that added together give a square (19881 = 141²).

The spelling of 136526229 in words is "one hundred thirty-six million, five hundred twenty-six thousand, two hundred twenty-nine".