1319142403 has 2 divisors, whose sum is σ = 1319142404. Its totient is φ = 1319142402.

The previous prime is 1319142397. The next prime is 1319142413. The reversal of 1319142403 is 3042419131.

It is a weak prime.

It is an emirp because it is prime and its reverse (3042419131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1319142403 - 2⁵ = 1319142371 is a prime.

It is a super-2 number, since 2×1319142403² = 3480273358785228818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1319142413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659571201 + 659571202.

It is an arithmetic number, because the mean of its divisors is an integer number (659571202).

Almost surely, 2^1319142403 is an apocalyptic number.

1319142403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319142403 is an equidigital number, since it uses as much as digits as its factorization.

1319142403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1319142403 is about 36320.0000412996. Note that the first 4 decimals coincide. The cubic root of 1319142403 is about 1096.7236957047.

The spelling of 1319142403 in words is "one billion, three hundred nineteen million, one hundred forty-two thousand, four hundred three".