1317735045 has 48 divisors (see below), whose sum is σ = 2525919552. Its totient is φ = 630132480.

The previous prime is 1317735037. The next prime is 1317735047. The reversal of 1317735045 is 5405377131.

It is not a de Polignac number, because 1317735045 - 2³ = 1317735037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317735047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17902 + ... + 54368.

It is an arithmetic number, because the mean of its divisors is an integer number (52623324).

Almost surely, 2^1317735045 is an apocalyptic number.

1317735045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1317735045 is a deficient number, since it is larger than the sum of its proper divisors (1208184507).

1317735045 is a wasteful number, since it uses less digits than its factorization.

1317735045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36562 (or 36559 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 1317735045 is about 36300.6204492430. The cubic root of 1317735045 is about 1096.3335351253. Note that the first 3 decimals are identical.

The spelling of 1317735045 in words is "one billion, three hundred seventeen million, seven hundred thirty-five thousand, forty-five".