136544853 has 4 divisors (see below), whose sum is σ = 182059808. Its totient is φ = 91029900.

The previous prime is 136544851. The next prime is 136544873. The reversal of 136544853 is 358445631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 136544853 - 2¹ = 136544851 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 (136544851) 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, 22757473 + ... + 22757478.

It is an arithmetic number, because the mean of its divisors is an integer number (45514952).

Almost surely, 2^136544853 is an apocalyptic number.

It is an amenable number.

136544853 is a deficient number, since it is larger than the sum of its proper divisors (45514955).

136544853 is an equidigital number, since it uses as much as digits as its factorization.

136544853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45514954.

The product of its digits is 172800, while the sum is 39.

The square root of 136544853 is about 11685.2408190846. The cubic root of 136544853 is about 514.9421533041.

The spelling of 136544853 in words is "one hundred thirty-six million, five hundred forty-four thousand, eight hundred fifty-three".