111294139 has 8 divisors (see below), whose sum is σ = 121584960. Its totient is φ = 101032200.

The previous prime is 111294091. The next prime is 111294151. The reversal of 111294139 is 931492111.

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

It is a cyclic number.

It is not a de Polignac number, because 111294139 - 2¹³ = 111285947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111294139.

It is not an unprimeable number, because it can be changed into a prime (111294179) 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, 1284 + ... + 14974.

It is an arithmetic number, because the mean of its divisors is an integer number (15198120).

Almost surely, 2^111294139 is an apocalyptic number.

111294139 is a deficient number, since it is larger than the sum of its proper divisors (10290821).

111294139 is a wasteful number, since it uses less digits than its factorization.

111294139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14441.

The product of its digits is 1944, while the sum is 31.

The square root of 111294139 is about 10549.6037366339. The cubic root of 111294139 is about 481.0136838531.

It can be divided in two parts, 11 and 1294139, that multiplied together give a square (14235529 = 3773²).

The spelling of 111294139 in words is "one hundred eleven million, two hundred ninety-four thousand, one hundred thirty-nine".