19249285134 has 24 divisors (see below), whose sum is σ = 38968080552. Its totient is φ = 6339108400.

The previous prime is 19249285109. The next prime is 19249285157. The reversal of 19249285134 is 43158294291.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191517 + ... + 274184.

It is an arithmetic number, because the mean of its divisors is an integer number (1623670023).

Almost surely, 2^19249285134 is an apocalyptic number.

19249285134 is an abundant number, since it is smaller than the sum of its proper divisors (19718795418).

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

19249285134 is an equidigital number, since it uses as much as digits as its factorization.

19249285134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465872 (or 465789 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The spelling of 19249285134 in words is "nineteen billion, two hundred forty-nine million, two hundred eighty-five thousand, one hundred thirty-four".