135975079 has 2 divisors, whose sum is σ = 135975080. Its totient is φ = 135975078.

The previous prime is 135975071. The next prime is 135975097. The reversal of 135975079 is 970579531.

It is a happy number.

Together with next prime (135975097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135975079 - 2³ = 135975071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135975071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67987539 + 67987540.

It is an arithmetic number, because the mean of its divisors is an integer number (67987540).

Almost surely, 2^135975079 is an apocalyptic number.

135975079 is a deficient number, since it is larger than the sum of its proper divisors (1).

135975079 is an equidigital number, since it uses as much as digits as its factorization.

135975079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 297675, while the sum is 46.

The square root of 135975079 is about 11660.8352616783. The cubic root of 135975079 is about 514.2249049832.

The spelling of 135975079 in words is "one hundred thirty-five million, nine hundred seventy-five thousand, seventy-nine".