136324253 has 4 divisors (see below), whose sum is σ = 146810748. Its totient is φ = 125837760.

The previous prime is 136324249. The next prime is 136324261. The reversal of 136324253 is 352423631.

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 33849124 + 102475129 = 5818^2 + 10123^2 .

It is a cyclic number.

It is not a de Polignac number, because 136324253 - 2² = 136324249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136324553) 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, 5243228 + ... + 5243253.

It is an arithmetic number, because the mean of its divisors is an integer number (36702687).

Almost surely, 2^136324253 is an apocalyptic number.

136324253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

136324253 is a deficient number, since it is larger than the sum of its proper divisors (10486495).

136324253 is a wasteful number, since it uses less digits than its factorization.

136324253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10486494.

The product of its digits is 12960, while the sum is 29.

The square root of 136324253 is about 11675.7977457645. The cubic root of 136324253 is about 514.6646926594.

Adding to 136324253 its reverse (352423631), we get a palindrome (488747884).

The spelling of 136324253 in words is "one hundred thirty-six million, three hundred twenty-four thousand, two hundred fifty-three".