1146726818 has 4 divisors (see below), whose sum is σ = 1720090230. Its totient is φ = 573363408.

The previous prime is 1146726809. The next prime is 1146726839. The reversal of 1146726818 is 8186276411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 944148529 + 202578289 = 30727^2 + 14233^2 .

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 286681703 + ... + 286681706.

Almost surely, 2^1146726818 is an apocalyptic number.

1146726818 is a deficient number, since it is larger than the sum of its proper divisors (573363412).

1146726818 is an equidigital number, since it uses as much as digits as its factorization.

1146726818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573363411.

The product of its digits is 129024, while the sum is 44.

The square root of 1146726818 is about 33863.3550907172. The cubic root of 1146726818 is about 1046.6946148342.

The spelling of 1146726818 in words is "one billion, one hundred forty-six million, seven hundred twenty-six thousand, eight hundred eighteen".