109400026 has 8 divisors (see below), whose sum is σ = 164523060. Its totient is φ = 54559008.

The previous prime is 109400021. The next prime is 109400113. The reversal of 109400026 is 620004901.

It can be written as a sum of positive squares in 2 ways, for example, as 106069401 + 3330625 = 10299^2 + 1825^2 .

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

It is not an unprimeable number, because it can be changed into a prime (109400021) 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, 69531 + ... + 71086.

Almost surely, 2^109400026 is an apocalyptic number.

109400026 is a deficient number, since it is larger than the sum of its proper divisors (55123034).

109400026 is a wasteful number, since it uses less digits than its factorization.

109400026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141008.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 109400026 is about 10459.4467348899. The cubic root of 109400026 is about 478.2692675902.

Adding to 109400026 its reverse (620004901), we get a palindrome (729404927).

The spelling of 109400026 in words is "one hundred nine million, four hundred thousand, twenty-six".