106040109 has 16 divisors (see below), whose sum is σ = 163253888. Its totient is φ = 59968512.

The previous prime is 106040093. The next prime is 106040147. The reversal of 106040109 is 901040601.

It is not a de Polignac number, because 106040109 - 2⁴ = 106040093 is a prime.

It is a super-2 number, since 2×106040109² = 22489009433463762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106040009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23992 + ... + 28065.

It is an arithmetic number, because the mean of its divisors is an integer number (10203368).

Almost surely, 2^106040109 is an apocalyptic number.

It is an amenable number.

106040109 is a deficient number, since it is larger than the sum of its proper divisors (57213779).

106040109 is an equidigital number, since it uses as much as digits as its factorization.

106040109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52164.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 106040109 is about 10297.5778219929. The cubic root of 106040109 is about 473.3220336631.

The spelling of 106040109 in words is "one hundred six million, forty thousand, one hundred nine".