1331140519 has 2 divisors, whose sum is σ = 1331140520. Its totient is φ = 1331140518.

The previous prime is 1331140501. The next prime is 1331140543. The reversal of 1331140519 is 9150411331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331140519 is a prime.

It is a super-2 number, since 2×1331140519² = 3543870162647178722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331140549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665570259 + 665570260.

It is an arithmetic number, because the mean of its divisors is an integer number (665570260).

Almost surely, 2^1331140519 is an apocalyptic number.

1331140519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331140519 is an equidigital number, since it uses as much as digits as its factorization.

1331140519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1331140519 is about 36484.7984645660. The cubic root of 1331140519 is about 1100.0387091061.

The spelling of 1331140519 in words is "one billion, three hundred thirty-one million, one hundred forty thousand, five hundred nineteen".