135123775147 has 2 divisors, whose sum is σ = 135123775148. Its totient is φ = 135123775146.

The previous prime is 135123775093. The next prime is 135123775243. The reversal of 135123775147 is 741577321531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135123775147 - 2⁷ = 135123775019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135123775097 and 135123775106.

It is not a weakly prime, because it can be changed into another prime (135123775847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67561887573 + 67561887574.

It is an arithmetic number, because the mean of its divisors is an integer number (67561887574).

Almost surely, 2^135123775147 is an apocalyptic number.

135123775147 is a deficient number, since it is larger than the sum of its proper divisors (1).

135123775147 is an equidigital number, since it uses as much as digits as its factorization.

135123775147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 617400, while the sum is 46.

The spelling of 135123775147 in words is "one hundred thirty-five billion, one hundred twenty-three million, seven hundred seventy-five thousand, one hundred forty-seven".