135379559 has 16 divisors (see below), whose sum is σ = 159548928. Its totient is φ = 112443552.

The previous prime is 135379553. The next prime is 135379561. The reversal of 135379559 is 955973531.

It is a cyclic number.

It is not a de Polignac number, because 135379559 - 2²⁰ = 134330983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135379553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72374 + ... + 74220.

It is an arithmetic number, because the mean of its divisors is an integer number (9971808).

Almost surely, 2^135379559 is an apocalyptic number.

135379559 is a deficient number, since it is larger than the sum of its proper divisors (24169369).

135379559 is a wasteful number, since it uses less digits than its factorization.

135379559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174.

The product of its digits is 637875, while the sum is 47.

The square root of 135379559 is about 11635.2721927766. The cubic root of 135379559 is about 513.4731021087.

The spelling of 135379559 in words is "one hundred thirty-five million, three hundred seventy-nine thousand, five hundred fifty-nine".