1319542403 has 2 divisors, whose sum is σ = 1319542404. Its totient is φ = 1319542402.

The previous prime is 1319542339. The next prime is 1319542439. The reversal of 1319542403 is 3042459131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1319542403 - 2⁶ = 1319542339 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1319542403.

It is not a weakly prime, because it can be changed into another prime (1319542463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659771201 + 659771202.

It is an arithmetic number, because the mean of its divisors is an integer number (659771202).

Almost surely, 2^1319542403 is an apocalyptic number.

1319542403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319542403 is an equidigital number, since it uses as much as digits as its factorization.

1319542403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1319542403 is about 36325.5062318476. The cubic root of 1319542403 is about 1096.8345366934.

The spelling of 1319542403 in words is "one billion, three hundred nineteen million, five hundred forty-two thousand, four hundred three".