105399737 has 4 divisors (see below), whose sum is σ = 105508596. Its totient is φ = 105290880.

The previous prime is 105399719. The next prime is 105399743. The reversal of 105399737 is 737993501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 66324736 + 39075001 = 8144^2 + 6251^2 .

It is a cyclic number.

It is not a de Polignac number, because 105399737 - 2²⁶ = 38290873 is a prime.

It is a super-2 number, since 2×105399737² = 22218209119338338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105399937) 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, 52964 + ... + 54917.

It is an arithmetic number, because the mean of its divisors is an integer number (26377149).

Almost surely, 2^105399737 is an apocalyptic number.

It is an amenable number.

105399737 is a deficient number, since it is larger than the sum of its proper divisors (108859).

105399737 is an equidigital number, since it uses as much as digits as its factorization.

105399737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108858.

The product of its (nonzero) digits is 178605, while the sum is 44.

The square root of 105399737 is about 10266.4374054489. The cubic root of 105399737 is about 472.3673182692.

The spelling of 105399737 in words is "one hundred five million, three hundred ninety-nine thousand, seven hundred thirty-seven".