135892479 has 8 divisors (see below), whose sum is σ = 181677232. Its totient is φ = 90351360.

The previous prime is 135892459. The next prime is 135892483. The reversal of 135892479 is 974298531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135892479 - 2⁸ = 135892223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135892439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59602 + ... + 61839.

It is an arithmetic number, because the mean of its divisors is an integer number (22709654).

Almost surely, 2^135892479 is an apocalyptic number.

135892479 is a deficient number, since it is larger than the sum of its proper divisors (45784753).

135892479 is a wasteful number, since it uses less digits than its factorization.

135892479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121817.

The product of its digits is 544320, while the sum is 48.

The square root of 135892479 is about 11657.2929533404. The cubic root of 135892479 is about 514.1207594759.

The spelling of 135892479 in words is "one hundred thirty-five million, eight hundred ninety-two thousand, four hundred seventy-nine".