1318663045 has 16 divisors (see below), whose sum is σ = 1817929728. Its totient is φ = 899487360.

The previous prime is 1318663013. The next prime is 1318663057. The reversal of 1318663045 is 5403668131.

It is not a de Polignac number, because 1318663045 - 2⁵ = 1318663013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1318662995 and 1318663013.

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, 91944 + ... + 105313.

It is an arithmetic number, because the mean of its divisors is an integer number (113620608).

Almost surely, 2^1318663045 is an apocalyptic number.

It is an amenable number.

1318663045 is a deficient number, since it is larger than the sum of its proper divisors (499266683).

1318663045 is a wasteful number, since it uses less digits than its factorization.

1318663045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197460.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1318663045 is about 36313.4003502839. The cubic root of 1318663045 is about 1096.5908348982.

The spelling of 1318663045 in words is "one billion, three hundred eighteen million, six hundred sixty-three thousand, forty-five".