136423367 has 4 divisors (see below), whose sum is σ = 137419296. Its totient is φ = 135427440.

The previous prime is 136423361. The next prime is 136423369. The reversal of 136423367 is 763324631.

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 136423367 - 2⁶ = 136423303 is a prime.

It is a super-2 number, since 2×136423367² = 37222670127233378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136423361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497759 + ... + 498032.

It is an arithmetic number, because the mean of its divisors is an integer number (34354824).

Almost surely, 2^136423367 is an apocalyptic number.

136423367 is a deficient number, since it is larger than the sum of its proper divisors (995929).

136423367 is an equidigital number, since it uses as much as digits as its factorization.

136423367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995928.

The product of its digits is 54432, while the sum is 35.

The square root of 136423367 is about 11680.0413954746. The cubic root of 136423367 is about 514.7893907424.

Adding to 136423367 its reverse (763324631), we get a palindrome (899747998).

The spelling of 136423367 in words is "one hundred thirty-six million, four hundred twenty-three thousand, three hundred sixty-seven".