109403134779 has 8 divisors (see below), whose sum is σ = 145877481792. Its totient is φ = 72932105480.

The previous prime is 109403134751. The next prime is 109403134801. The reversal of 109403134779 is 977431304901.

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

It is a cyclic number.

It is not a de Polignac number, because 109403134779 - 2¹³ = 109403126587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109403134739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751437 + ... + 885134.

It is an arithmetic number, because the mean of its divisors is an integer number (18234685224).

Almost surely, 2^109403134779 is an apocalyptic number.

109403134779 is a deficient number, since it is larger than the sum of its proper divisors (36474347013).

109403134779 is a wasteful number, since it uses less digits than its factorization.

109403134779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658857.

The product of its (nonzero) digits is 571536, while the sum is 48.

The spelling of 109403134779 in words is "one hundred nine billion, four hundred three million, one hundred thirty-four thousand, seven hundred seventy-nine".