1146138564 has 12 divisors (see below), whose sum is σ = 2674323344. Its totient is φ = 382046184.

The previous prime is 1146138491. The next prime is 1146138619. The reversal of 1146138564 is 4658316411.

It is a tau number, because it is divible by the number of its divisors (12).

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, 47755762 + ... + 47755785.

Almost surely, 2^1146138564 is an apocalyptic number.

It is an amenable number.

1146138564 is an abundant number, since it is smaller than the sum of its proper divisors (1528184780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1146138564 is a wasteful number, since it uses less digits than its factorization.

1146138564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95511554 (or 95511552 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 1146138564 is about 33854.6682748480. The cubic root of 1146138564 is about 1046.5156045708.

The spelling of 1146138564 in words is "one billion, one hundred forty-six million, one hundred thirty-eight thousand, five hundred sixty-four".