109356942 has 32 divisors (see below), whose sum is σ = 222322464. Its totient is φ = 35856000.

The previous prime is 109356893. The next prime is 109356943. The reversal of 109356942 is 249653901.

It is a self number, because there is not a number n which added to its sum of digits gives 109356942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109356943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109188 + ... + 110184.

It is an arithmetic number, because the mean of its divisors is an integer number (6947577).

Almost surely, 2^109356942 is an apocalyptic number.

109356942 is an abundant number, since it is smaller than the sum of its proper divisors (112965522).

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

109356942 is a wasteful number, since it uses less digits than its factorization.

109356942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 109356942 is about 10457.3869585093. The cubic root of 109356942 is about 478.2064752264.

The spelling of 109356942 in words is "one hundred nine million, three hundred fifty-six thousand, nine hundred forty-two".