135103979 has 16 divisors (see below), whose sum is σ = 142702560. Its totient is φ = 127760640.

The previous prime is 135103961. The next prime is 135103987. The reversal of 135103979 is 979301531.

It is a cyclic number.

It is not a de Polignac number, because 135103979 - 2⁸ = 135103723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135103919) 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, 347117 + ... + 347505.

It is an arithmetic number, because the mean of its divisors is an integer number (8918910).

Almost surely, 2^135103979 is an apocalyptic number.

135103979 is a deficient number, since it is larger than the sum of its proper divisors (7598581).

135103979 is a wasteful number, since it uses less digits than its factorization.

135103979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670.

The product of its (nonzero) digits is 25515, while the sum is 38.

The square root of 135103979 is about 11623.4237210901. The cubic root of 135103979 is about 513.1244550845.

The spelling of 135103979 in words is "one hundred thirty-five million, one hundred three thousand, nine hundred seventy-nine".