135252579097 has 2 divisors, whose sum is σ = 135252579098. Its totient is φ = 135252579096.

The previous prime is 135252579079. The next prime is 135252579151. The reversal of 135252579097 is 790975252531.

Together with previous prime (135252579079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120861217801 + 14391361296 = 347651^2 + 119964^2 .

It is a cyclic number.

It is not a de Polignac number, because 135252579097 - 2²⁷ = 135118361369 is a prime.

It is not a weakly prime, because it can be changed into another prime (135252579017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67626289548 + 67626289549.

It is an arithmetic number, because the mean of its divisors is an integer number (67626289549).

Almost surely, 2^135252579097 is an apocalyptic number.

It is an amenable number.

135252579097 is a deficient number, since it is larger than the sum of its proper divisors (1).

135252579097 is an equidigital number, since it uses as much as digits as its factorization.

135252579097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5953500, while the sum is 55.

The spelling of 135252579097 in words is "one hundred thirty-five billion, two hundred fifty-two million, five hundred seventy-nine thousand, ninety-seven".