109942236 has 18 divisors (see below), whose sum is σ = 277909632. Its totient is φ = 36647400.

The previous prime is 109942223. The next prime is 109942241. The reversal of 109942236 is 632249901.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3053951 = 109942236 / (1 + 0 + 9 + 9 + 4 + 2 + 2 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 109942236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1526940 + ... + 1527011.

It is an arithmetic number, because the mean of its divisors is an integer number (15439424).

Almost surely, 2^109942236 is an apocalyptic number.

It is an amenable number.

109942236 is an abundant number, since it is smaller than the sum of its proper divisors (167967396).

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

109942236 is a wasteful number, since it uses less digits than its factorization.

109942236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053961 (or 3053956 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 109942236 is about 10485.3343294337. The cubic root of 109942236 is about 479.0581008464.

The spelling of 109942236 in words is "one hundred nine million, nine hundred forty-two thousand, two hundred thirty-six".