136260623 has 2 divisors, whose sum is σ = 136260624. Its totient is φ = 136260622.

The previous prime is 136260617. The next prime is 136260637. The reversal of 136260623 is 326062631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136260623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136260613) 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, 68130311 + 68130312.

It is an arithmetic number, because the mean of its divisors is an integer number (68130312).

Almost surely, 2^136260623 is an apocalyptic number.

136260623 is a deficient number, since it is larger than the sum of its proper divisors (1).

136260623 is an equidigital number, since it uses as much as digits as its factorization.

136260623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 136260623 is about 11673.0725603844. The cubic root of 136260623 is about 514.5846061253.

The spelling of 136260623 in words is "one hundred thirty-six million, two hundred sixty thousand, six hundred twenty-three".