1188452313 has 6 divisors (see below), whose sum is σ = 1716653354. Its totient is φ = 792301536.

The previous prime is 1188452273. The next prime is 1188452323. The reversal of 1188452313 is 3132548811.

1188452313 is a `hidden beast` number, since 118 + 8 + 4 + 523 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1045099584 + 143352729 = 32328^2 + 11973^2 .

It is not a de Polignac number, because 1188452313 - 2¹⁰ = 1188451289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1188452323) 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, 66025120 + ... + 66025137.

Almost surely, 2^1188452313 is an apocalyptic number.

It is an amenable number.

1188452313 is a deficient number, since it is larger than the sum of its proper divisors (528201041).

1188452313 is a wasteful number, since it uses less digits than its factorization.

1188452313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132050263 (or 132050260 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 1188452313 is about 34473.9367203689. The cubic root of 1188452313 is about 1059.2388962068.

The spelling of 1188452313 in words is "one billion, one hundred eighty-eight million, four hundred fifty-two thousand, three hundred thirteen".