1019139072 has 176 divisors, whose sum is σ = 3147336192. Its totient is φ = 287170560.

The previous prime is 1019139053. The next prime is 1019139101. The reversal of 1019139072 is 2709319101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1784547 + ... + 1785117.

It is an arithmetic number, because the mean of its divisors is an integer number (17882592).

Almost surely, 2^1019139072 is an apocalyptic number.

1019139072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1019139072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573668096).

1019139072 is an abundant number, since it is smaller than the sum of its proper divisors (2128197120).

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

1019139072 is an equidigital number, since it uses as much as digits as its factorization.

1019139072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 1019139072 is about 31923.9576493893. The cubic root of 1019139072 is about 1006.3394175288.

The spelling of 1019139072 in words is "one billion, nineteen million, one hundred thirty-nine thousand, seventy-two".