1345040015 has 16 divisors (see below), whose sum is σ = 1766123136. Its totient is φ = 975242400.

The previous prime is 1345040009. The next prime is 1345040027. The reversal of 1345040015 is 5100405431.

It is not a de Polignac number, because 1345040015 - 2¹⁰ = 1345038991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18737 + ... + 55146.

It is an arithmetic number, because the mean of its divisors is an integer number (110382696).

Almost surely, 2^1345040015 is an apocalyptic number.

1345040015 is a deficient number, since it is larger than the sum of its proper divisors (421083121).

1345040015 is a wasteful number, since it uses less digits than its factorization.

1345040015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74230.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1345040015 is about 36674.7871841133. The cubic root of 1345040015 is about 1103.8542521726.

Adding to 1345040015 its reverse (5100405431), we get a palindrome (6445445446).

The spelling of 1345040015 in words is "one billion, three hundred forty-five million, forty thousand, fifteen".