136192243 has 4 divisors (see below), whose sum is σ = 148573368. Its totient is φ = 123811120.

The previous prime is 136192213. The next prime is 136192289. The reversal of 136192243 is 342291631.

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 136192243 - 2²⁵ = 102637811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136192213) 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, 6190546 + ... + 6190567.

It is an arithmetic number, because the mean of its divisors is an integer number (37143342).

Almost surely, 2^136192243 is an apocalyptic number.

136192243 is a deficient number, since it is larger than the sum of its proper divisors (12381125).

136192243 is a wasteful number, since it uses less digits than its factorization.

136192243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12381124.

The product of its digits is 7776, while the sum is 31.

The square root of 136192243 is about 11670.1432296266. The cubic root of 136192243 is about 514.4985133073.

The spelling of 136192243 in words is "one hundred thirty-six million, one hundred ninety-two thousand, two hundred forty-three".