1318822353 has 6 divisors (see below), whose sum is σ = 1904965634. Its totient is φ = 879214896.

The previous prime is 1318822331. The next prime is 1318822363. The reversal of 1318822353 is 3532288131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1196675649 + 122146704 = 34593^2 + 11052^2 .

It is not a de Polignac number, because 1318822353 - 2⁵ = 1318822321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1318822363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73267900 + ... + 73267917.

Almost surely, 2^1318822353 is an apocalyptic number.

It is an amenable number.

1318822353 is a deficient number, since it is larger than the sum of its proper divisors (586143281).

1318822353 is a wasteful number, since it uses less digits than its factorization.

1318822353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146535823 (or 146535820 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 1318822353 is about 36315.5937993584. The cubic root of 1318822353 is about 1096.6349929210.

The spelling of 1318822353 in words is "one billion, three hundred eighteen million, eight hundred twenty-two thousand, three hundred fifty-three".