136239002923 has 2 divisors, whose sum is σ = 136239002924. Its totient is φ = 136239002922.

The previous prime is 136239002839. The next prime is 136239002927. The reversal of 136239002923 is 329200932631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136239002923 - 2⁹ = 136239002411 is a prime.

It is a super-2 number, since 2×136239002923² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136239002927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68119501461 + 68119501462.

It is an arithmetic number, because the mean of its divisors is an integer number (68119501462).

Almost surely, 2^136239002923 is an apocalyptic number.

136239002923 is a deficient number, since it is larger than the sum of its proper divisors (1).

136239002923 is an equidigital number, since it uses as much as digits as its factorization.

136239002923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 40.

The spelling of 136239002923 in words is "one hundred thirty-six billion, two hundred thirty-nine million, two thousand, nine hundred twenty-three".