136127923 has 2 divisors, whose sum is σ = 136127924. Its totient is φ = 136127922.

The previous prime is 136127917. The next prime is 136127939. The reversal of 136127923 is 329721631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136127923 is a prime.

It is a super-2 number, since 2×136127923² = 37061622840587858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136127963) 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 as a sum of consecutive naturals, namely, 68063961 + 68063962.

It is an arithmetic number, because the mean of its divisors is an integer number (68063962).

Almost surely, 2^136127923 is an apocalyptic number.

136127923 is a deficient number, since it is larger than the sum of its proper divisors (1).

136127923 is an equidigital number, since it uses as much as digits as its factorization.

136127923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 136127923 is about 11667.3871539433. The cubic root of 136127923 is about 514.4175058661.

The spelling of 136127923 in words is "one hundred thirty-six million, one hundred twenty-seven thousand, nine hundred twenty-three".