1345506799 has 32 divisors (see below), whose sum is σ = 1707947136. Its totient is φ = 1031546880.

The previous prime is 1345506787. The next prime is 1345506839. The reversal of 1345506799 is 9976055431.

It is not a de Polignac number, because 1345506799 - 2⁹ = 1345506287 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345506709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584619 + ... + 586915.

It is an arithmetic number, because the mean of its divisors is an integer number (53373348).

Almost surely, 2^1345506799 is an apocalyptic number.

1345506799 is a deficient number, since it is larger than the sum of its proper divisors (362440337).

1345506799 is a wasteful number, since it uses less digits than its factorization.

1345506799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The square root of 1345506799 is about 36681.1504590573. The cubic root of 1345506799 is about 1103.9819316229.

The spelling of 1345506799 in words is "one billion, three hundred forty-five million, five hundred six thousand, seven hundred ninety-nine".