109339871742 has 24 divisors (see below), whose sum is σ = 236998947744. Its totient is φ = 36431871264.

The previous prime is 109339871731. The next prime is 109339871749. The reversal of 109339871742 is 247178933901.

It is a super-2 number, since 2×109339871742² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109339871749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1183638 + ... + 1272665.

It is an arithmetic number, because the mean of its divisors is an integer number (9874956156).

Almost surely, 2^109339871742 is an apocalyptic number.

109339871742 is an abundant number, since it is smaller than the sum of its proper divisors (127659076002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109339871742 is a wasteful number, since it uses less digits than its factorization.

109339871742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458784 (or 2458781 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 109339871742 in words is "one hundred nine billion, three hundred thirty-nine million, eight hundred seventy-one thousand, seven hundred forty-two".