135251155079 has 2 divisors, whose sum is σ = 135251155080. Its totient is φ = 135251155078.

The previous prime is 135251155033. The next prime is 135251155099. The reversal of 135251155079 is 970551152531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135251155079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135251155099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67625577539 + 67625577540.

It is an arithmetic number, because the mean of its divisors is an integer number (67625577540).

Almost surely, 2^135251155079 is an apocalyptic number.

135251155079 is a deficient number, since it is larger than the sum of its proper divisors (1).

135251155079 is an equidigital number, since it uses as much as digits as its factorization.

135251155079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236250, while the sum is 44.

The spelling of 135251155079 in words is "one hundred thirty-five billion, two hundred fifty-one million, one hundred fifty-five thousand, seventy-nine".