19409007134 has 16 divisors (see below), whose sum is σ = 33628440816. Its totient is φ = 8303318400.

The previous prime is 19409007109. The next prime is 19409007139. The reversal of 19409007134 is 43170090491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19409007139) 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, 25947497 + ... + 25948244.

It is an arithmetic number, because the mean of its divisors is an integer number (2101777551).

Almost surely, 2^19409007134 is an apocalyptic number.

19409007134 is a deficient number, since it is larger than the sum of its proper divisors (14219433682).

19409007134 is a wasteful number, since it uses less digits than its factorization.

19409007134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51895771.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 19409007134 in words is "nineteen billion, four hundred nine million, seven thousand, one hundred thirty-four".