136244623 has 4 divisors (see below), whose sum is σ = 136350648. Its totient is φ = 136138600.

The previous prime is 136244621. The next prime is 136244699. The reversal of 136244623 is 326442631.

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

It is a cyclic number.

It is not a de Polignac number, because 136244623 - 2¹ = 136244621 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 (136244621) 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, 51061 + ... + 53662.

It is an arithmetic number, because the mean of its divisors is an integer number (34087662).

Almost surely, 2^136244623 is an apocalyptic number.

136244623 is a deficient number, since it is larger than the sum of its proper divisors (106025).

136244623 is a wasteful number, since it uses less digits than its factorization.

136244623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106024.

The product of its digits is 20736, while the sum is 31.

The square root of 136244623 is about 11672.3872022821. The cubic root of 136244623 is about 514.5644641459.

The spelling of 136244623 in words is "one hundred thirty-six million, two hundred forty-four thousand, six hundred twenty-three".