105439713 has 4 divisors (see below), whose sum is σ = 140586288. Its totient is φ = 70293140.

The previous prime is 105439703. The next prime is 105439769. The reversal of 105439713 is 317934501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105439713 - 2¹⁰ = 105438689 is a prime.

It is a super-2 number, since 2×105439713² = 22235066155044738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105439703) 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, 17573283 + ... + 17573288.

It is an arithmetic number, because the mean of its divisors is an integer number (35146572).

Almost surely, 2^105439713 is an apocalyptic number.

It is an amenable number.

105439713 is a deficient number, since it is larger than the sum of its proper divisors (35146575).

105439713 is an equidigital number, since it uses as much as digits as its factorization.

105439713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35146574.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 105439713 is about 10268.3841474694. The cubic root of 105439713 is about 472.4270305278.

The spelling of 105439713 in words is "one hundred five million, four hundred thirty-nine thousand, seven hundred thirteen".