109240918139 has 8 divisors (see below), whose sum is σ = 112936383648. Its totient is φ = 105584558400.

The previous prime is 109240918079. The next prime is 109240918141. The reversal of 109240918139 is 931819042901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109240918139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109240918093 and 109240918102.

It is not an unprimeable number, because it can be changed into a prime (109240918169) 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, 9770762 + ... + 9781935.

It is an arithmetic number, because the mean of its divisors is an integer number (14117047956).

Almost surely, 2^109240918139 is an apocalyptic number.

109240918139 is a deficient number, since it is larger than the sum of its proper divisors (3695465509).

109240918139 is a wasteful number, since it uses less digits than its factorization.

109240918139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19552885.

The product of its (nonzero) digits is 139968, while the sum is 47.

The spelling of 109240918139 in words is "one hundred nine billion, two hundred forty million, nine hundred eighteen thousand, one hundred thirty-nine".