1319540103 has 12 divisors (see below), whose sum is σ = 2178288528. Its totient is φ = 754022880.

The previous prime is 1319540071. The next prime is 1319540111. The reversal of 1319540103 is 3010459131.

1319540103 is a `hidden beast` number, since 1 + 3 + 19 + 540 + 103 = 666.

It is not a de Polignac number, because 1319540103 - 2⁵ = 1319540071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1319540303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10472478 + ... + 10472603.

It is an arithmetic number, because the mean of its divisors is an integer number (181524044).

Almost surely, 2^1319540103 is an apocalyptic number.

1319540103 is a deficient number, since it is larger than the sum of its proper divisors (858748425).

1319540103 is a wasteful number, since it uses less digits than its factorization.

1319540103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20945094 (or 20945091 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1319540103 is about 36325.4745736377. The cubic root of 1319540103 is about 1096.8338994218.

Adding to 1319540103 its reverse (3010459131), we get a palindrome (4329999234).

The spelling of 1319540103 in words is "one billion, three hundred nineteen million, five hundred forty thousand, one hundred three".