1146056813 has 4 divisors (see below), whose sum is σ = 1250243808. Its totient is φ = 1041869820.

The previous prime is 1146056803. The next prime is 1146056869. The reversal of 1146056813 is 3186506411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1146056813 - 2⁸ = 1146056557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146056803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52093481 + ... + 52093502.

It is an arithmetic number, because the mean of its divisors is an integer number (312560952).

Almost surely, 2^1146056813 is an apocalyptic number.

It is an amenable number.

1146056813 is a deficient number, since it is larger than the sum of its proper divisors (104186995).

1146056813 is a wasteful number, since it uses less digits than its factorization.

1146056813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104186994.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1146056813 is about 33853.4608718222. The cubic root of 1146056813 is about 1046.4907222590.

The spelling of 1146056813 in words is "one billion, one hundred forty-six million, fifty-six thousand, eight hundred thirteen".