105135479 has 4 divisors (see below), whose sum is σ = 105716520. Its totient is φ = 104554440.

The previous prime is 105135449. The next prime is 105135523. The reversal of 105135479 is 974531501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105135479 is a prime.

It is a super-2 number, since 2×105135479² = 22106937889118882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105135409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290249 + ... + 290610.

It is an arithmetic number, because the mean of its divisors is an integer number (26429130).

Almost surely, 2^105135479 is an apocalyptic number.

105135479 is a deficient number, since it is larger than the sum of its proper divisors (581041).

105135479 is an equidigital number, since it uses as much as digits as its factorization.

105135479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581040.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 105135479 is about 10253.5593332267. The cubic root of 105135479 is about 471.9722151005.

The spelling of 105135479 in words is "one hundred five million, one hundred thirty-five thousand, four hundred seventy-nine".