111739349 has 4 divisors (see below), whose sum is σ = 115592460. Its totient is φ = 107886240.

The previous prime is 111739337. The next prime is 111739357. The reversal of 111739349 is 943937111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 943937111 = 13 ⋅72610547.

It can be written as a sum of positive squares in 2 ways, for example, as 78446449 + 33292900 = 8857^2 + 5770^2 .

It is a cyclic number.

It is not a de Polignac number, because 111739349 - 2¹⁶ = 111673813 is a prime.

It is a super-2 number, since 2×111739349² = 24971364229887602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111739319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1926512 + ... + 1926569.

It is an arithmetic number, because the mean of its divisors is an integer number (28898115).

Almost surely, 2^111739349 is an apocalyptic number.

It is an amenable number.

111739349 is a deficient number, since it is larger than the sum of its proper divisors (3853111).

111739349 is an equidigital number, since it uses as much as digits as its factorization.

111739349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853110.

The product of its digits is 20412, while the sum is 38.

The square root of 111739349 is about 10570.6834689153. The cubic root of 111739349 is about 481.6542302450.

The spelling of 111739349 in words is "one hundred eleven million, seven hundred thirty-nine thousand, three hundred forty-nine".