105139395 has 12 divisors (see below), whose sum is σ = 182241696. Its totient is φ = 56074320.

The previous prime is 105139351. The next prime is 105139399. The reversal of 105139395 is 593931501.

It is a de Polignac number, because none of the positive numbers 2^k-105139395 is a prime.

It is a super-2 number, since 2×105139395² = 22108584761932050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105139399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1168171 + ... + 1168260.

It is an arithmetic number, because the mean of its divisors is an integer number (15186808).

Almost surely, 2^105139395 is an apocalyptic number.

105139395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105139395 is a deficient number, since it is larger than the sum of its proper divisors (77102301).

105139395 is a wasteful number, since it uses less digits than its factorization.

105139395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336442 (or 2336439 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 36.

The square root of 105139395 is about 10253.7502895282. The cubic root of 105139395 is about 471.9780749056.

The spelling of 105139395 in words is "one hundred five million, one hundred thirty-nine thousand, three hundred ninety-five".