109400078 has 8 divisors (see below), whose sum is σ = 164574072. Its totient is φ = 54542056.

The previous prime is 109400021. The next prime is 109400113. The reversal of 109400078 is 870004901.

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

It is a self number, because there is not a number n which added to its sum of digits gives 109400078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78125 + ... + 79512.

It is an arithmetic number, because the mean of its divisors is an integer number (20571759).

Almost surely, 2^109400078 is an apocalyptic number.

109400078 is a deficient number, since it is larger than the sum of its proper divisors (55173994).

109400078 is a wasteful number, since it uses less digits than its factorization.

109400078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157986.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 109400078 is about 10459.4492206808. The cubic root of 109400078 is about 478.2693433672.

Adding to 109400078 its reverse (870004901), we get a palindrome (979404979).

The spelling of 109400078 in words is "one hundred nine million, four hundred thousand, seventy-eight".