135259479 has 24 divisors (see below), whose sum is σ = 202954752. Its totient is φ = 86711760.

The previous prime is 135259471. The next prime is 135259483. The reversal of 135259479 is 974952531.

It is a happy number.

135259479 is a `hidden beast` number, since 1 + 3 + 52 + 594 + 7 + 9 = 666.

It is not a de Polignac number, because 135259479 - 2³ = 135259471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135259471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45142 + ... + 48044.

It is an arithmetic number, because the mean of its divisors is an integer number (8456448).

Almost surely, 2^135259479 is an apocalyptic number.

135259479 is a deficient number, since it is larger than the sum of its proper divisors (67695273).

135259479 is a wasteful number, since it uses less digits than its factorization.

135259479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107 (or 3104 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 135259479 is about 11630.1108765136. The cubic root of 135259479 is about 513.3212424299.

The spelling of 135259479 in words is "one hundred thirty-five million, two hundred fifty-nine thousand, four hundred seventy-nine".