1319219136 has 140 divisors (see below), whose sum is σ = 4037218240. Its totient is φ = 425502720.

The previous prime is 1319219117. The next prime is 1319219137. The reversal of 1319219136 is 6319129131.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1319219136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1319219137) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 156600 + ... + 164808.

Almost surely, 2^1319219136 is an apocalyptic number.

1319219136 is a gapful number since it is divisible by the number (16) 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 1319219136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2018609120).

1319219136 is an abundant number, since it is smaller than the sum of its proper divisors (2717999104).

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

1319219136 is an equidigital number, since it uses as much as digits as its factorization.

1319219136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8264 (or 8245 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 1319219136 is about 36321.0563723028. The cubic root of 1319219136 is about 1096.7449603454.

The spelling of 1319219136 in words is "one billion, three hundred nineteen million, two hundred nineteen thousand, one hundred thirty-six".