1019719146 has 16 divisors (see below), whose sum is σ = 2105227008. Its totient is φ = 328941600.

The previous prime is 1019719133. The next prime is 1019719153. The reversal of 1019719146 is 6419179101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2740995 + ... + 2741366.

It is an arithmetic number, because the mean of its divisors is an integer number (131576688).

Almost surely, 2^1019719146 is an apocalyptic number.

1019719146 is an abundant number, since it is smaller than the sum of its proper divisors (1085507862).

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

1019719146 is a wasteful number, since it uses less digits than its factorization.

1019719146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5482397.

The product of its (nonzero) digits is 13608, while the sum is 39.

The square root of 1019719146 is about 31933.0416027036. The cubic root of 1019719146 is about 1006.5303108782.

The spelling of 1019719146 in words is "one billion, nineteen million, seven hundred nineteen thousand, one hundred forty-six".