100040140109 has 16 divisors (see below), whose sum is σ = 123282864768. Its totient is φ = 79052006592.

The previous prime is 100040140049. The next prime is 100040140121. The reversal of 100040140109 is 901041040001.

It is a de Polignac number, because none of the positive numbers 2^k-100040140109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100040140129) 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, 626822 + ... + 770055.

It is an arithmetic number, because the mean of its divisors is an integer number (7705179048).

Almost surely, 2^100040140109 is an apocalyptic number.

It is an amenable number.

100040140109 is a deficient number, since it is larger than the sum of its proper divisors (23242724659).

100040140109 is a wasteful number, since it uses less digits than its factorization.

100040140109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397684.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 100040140109 in words is "one hundred billion, forty million, one hundred forty thousand, one hundred nine".