136452423 has 4 divisors (see below), whose sum is σ = 181936568. Its totient is φ = 90968280.

The previous prime is 136452419. The next prime is 136452439. The reversal of 136452423 is 324254631.

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

It is not a de Polignac number, because 136452423 - 2² = 136452419 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 (136452493) 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, 22742068 + ... + 22742073.

It is an arithmetic number, because the mean of its divisors is an integer number (45484142).

Almost surely, 2^136452423 is an apocalyptic number.

136452423 is a deficient number, since it is larger than the sum of its proper divisors (45484145).

136452423 is an equidigital number, since it uses as much as digits as its factorization.

136452423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45484144.

The product of its digits is 17280, while the sum is 30.

The square root of 136452423 is about 11681.2851604607. The cubic root of 136452423 is about 514.8259354562.

The spelling of 136452423 in words is "one hundred thirty-six million, four hundred fifty-two thousand, four hundred twenty-three".