136542319 has 2 divisors, whose sum is σ = 136542320. Its totient is φ = 136542318.

The previous prime is 136542281. The next prime is 136542331. The reversal of 136542319 is 913245631.

136542319 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 136542319 - 2¹³ = 136534127 is a prime.

It is a super-2 number, since 2×136542319² = 37287609755795522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136542349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68271159 + 68271160.

It is an arithmetic number, because the mean of its divisors is an integer number (68271160).

Almost surely, 2^136542319 is an apocalyptic number.

136542319 is a deficient number, since it is larger than the sum of its proper divisors (1).

136542319 is an equidigital number, since it uses as much as digits as its factorization.

136542319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 136542319 is about 11685.1323912055. The cubic root of 136542319 is about 514.9389678515.

The spelling of 136542319 in words is "one hundred thirty-six million, five hundred forty-two thousand, three hundred nineteen".