135459779 has 16 divisors (see below), whose sum is σ = 167133120. Its totient is φ = 106911360.

The previous prime is 135459743. The next prime is 135459787. The reversal of 135459779 is 977954531.

It is a cyclic number.

It is not a de Polignac number, because 135459779 - 2²⁴ = 118682563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135453779) 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, 40337 + ... + 43565.

It is an arithmetic number, because the mean of its divisors is an integer number (10445820).

Almost surely, 2^135459779 is an apocalyptic number.

135459779 is a deficient number, since it is larger than the sum of its proper divisors (31673341).

135459779 is a wasteful number, since it uses less digits than its factorization.

135459779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710.

The product of its digits is 1190700, while the sum is 50.

The square root of 135459779 is about 11638.7189587171. The cubic root of 135459779 is about 513.5745026433.

The spelling of 135459779 in words is "one hundred thirty-five million, four hundred fifty-nine thousand, seven hundred seventy-nine".