1139812466 has 8 divisors (see below), whose sum is σ = 1841235564. Its totient is φ = 526067280.

The previous prime is 1139812459. The next prime is 1139812507. The reversal of 1139812466 is 6642189311.

It can be written as a sum of positive squares in 2 ways, for example, as 1133736241 + 6076225 = 33671^2 + 2465^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21919445 + ... + 21919496.

Almost surely, 2^1139812466 is an apocalyptic number.

1139812466 is a deficient number, since it is larger than the sum of its proper divisors (701423098).

1139812466 is a wasteful number, since it uses less digits than its factorization.

1139812466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43838956.

The product of its digits is 62208, while the sum is 41.

The square root of 1139812466 is about 33761.1087791856. The cubic root of 1139812466 is about 1044.5866411505.

The spelling of 1139812466 in words is "one billion, one hundred thirty-nine million, eight hundred twelve thousand, four hundred sixty-six".