105939147 has 8 divisors (see below), whose sum is σ = 141505344. Its totient is φ = 70499528.

The previous prime is 105939139. The next prime is 105939151. The reversal of 105939147 is 741939501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 105939147 - 2³ = 105939139 is a prime.

It is a super-2 number, since 2×105939147² = 22446205734175218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105939107) 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, 29673 + ... + 33050.

It is an arithmetic number, because the mean of its divisors is an integer number (17688168).

Almost surely, 2^105939147 is an apocalyptic number.

105939147 is a deficient number, since it is larger than the sum of its proper divisors (35566197).

105939147 is an equidigital number, since it uses as much as digits as its factorization.

105939147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63289.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 105939147 is about 10292.6744337903. The cubic root of 105939147 is about 473.1717675233.

The spelling of 105939147 in words is "one hundred five million, nine hundred thirty-nine thousand, one hundred forty-seven".