109400193 has 32 divisors (see below), whose sum is σ = 189024000. Its totient is φ = 62509104.

The previous prime is 109400171. The next prime is 109400237. The reversal of 109400193 is 391004901.

It is not a de Polignac number, because 109400193 - 2⁹ = 109399681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (109400113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3355 + ... + 15167.

It is an arithmetic number, because the mean of its divisors is an integer number (5907000).

Almost surely, 2^109400193 is an apocalyptic number.

It is an amenable number.

109400193 is a deficient number, since it is larger than the sum of its proper divisors (79623807).

109400193 is an equidigital number, since it uses as much as digits as its factorization.

109400193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11843 (or 11823 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 109400193 is about 10459.4547181007. The cubic root of 109400193 is about 478.2695109507.

The spelling of 109400193 in words is "one hundred nine million, four hundred thousand, one hundred ninety-three".