136219423 has 2 divisors, whose sum is σ = 136219424. Its totient is φ = 136219422.

The previous prime is 136219411. The next prime is 136219427. The reversal of 136219423 is 324912631.

136219423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136219423 - 2⁹ = 136218911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136219427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68109711 + 68109712.

It is an arithmetic number, because the mean of its divisors is an integer number (68109712).

Almost surely, 2^136219423 is an apocalyptic number.

136219423 is a deficient number, since it is larger than the sum of its proper divisors (1).

136219423 is an equidigital number, since it uses as much as digits as its factorization.

136219423 is an evil number, because the sum of its binary digits is even.

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

The square root of 136219423 is about 11671.3076816610. The cubic root of 136219423 is about 514.5327373304.

The spelling of 136219423 in words is "one hundred thirty-six million, two hundred nineteen thousand, four hundred twenty-three".