109939719 has 8 divisors (see below), whose sum is σ = 154301440. Its totient is φ = 69435576.

The previous prime is 109939699. The next prime is 109939723. The reversal of 109939719 is 917939901.

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

It is not a de Polignac number, because 109939719 - 2¹³ = 109931527 is a prime.

It is a super-2 number, since 2×109939719² = 24173483627597922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109939729) 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, 964327 + ... + 964440.

It is an arithmetic number, because the mean of its divisors is an integer number (19287680).

Almost surely, 2^109939719 is an apocalyptic number.

109939719 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

109939719 is a deficient number, since it is larger than the sum of its proper divisors (44361721).

109939719 is a wasteful number, since it uses less digits than its factorization.

109939719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928789.

The product of its (nonzero) digits is 137781, while the sum is 48.

The square root of 109939719 is about 10485.2143039616. The cubic root of 109939719 is about 479.0544449920.

The spelling of 109939719 in words is "one hundred nine million, nine hundred thirty-nine thousand, seven hundred nineteen".