135525079 has 2 divisors, whose sum is σ = 135525080. Its totient is φ = 135525078.

The previous prime is 135525077. The next prime is 135525083. The reversal of 135525079 is 970525531.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (970525531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135525079 - 2¹ = 135525077 is a prime.

Together with 135525077, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135525073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67762539 + 67762540.

It is an arithmetic number, because the mean of its divisors is an integer number (67762540).

Almost surely, 2^135525079 is an apocalyptic number.

135525079 is a deficient number, since it is larger than the sum of its proper divisors (1).

135525079 is an equidigital number, since it uses as much as digits as its factorization.

135525079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 37.

The square root of 135525079 is about 11641.5239122720. The cubic root of 135525079 is about 513.6570142883.

The spelling of 135525079 in words is "one hundred thirty-five million, five hundred twenty-five thousand, seventy-nine".