17420374136 has 16 divisors (see below), whose sum is σ = 35632583640. Its totient is φ = 7918351840.

The previous prime is 17420374123. The next prime is 17420374159. The reversal of 17420374136 is 63147302471.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 17420374136.

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, 98979311 + ... + 98979486.

Almost surely, 2^17420374136 is an apocalyptic number.

It is an amenable number.

17420374136 is an abundant number, since it is smaller than the sum of its proper divisors (18212209504).

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

17420374136 is a wasteful number, since it uses less digits than its factorization.

17420374136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197958814 (or 197958810 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 17420374136 in words is "seventeen billion, four hundred twenty million, three hundred seventy-four thousand, one hundred thirty-six".