1146138565 has 24 divisors (see below), whose sum is σ = 1624706208. Its totient is φ = 769429440.

The previous prime is 1146138491. The next prime is 1146138619. The reversal of 1146138565 is 5658316411.

It is not a de Polignac number, because 1146138565 - 2⁷ = 1146138437 is a prime.

It is a super-2 number, since 2×1146138565² = 2627267220360518450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52359 + ... + 70948.

It is an arithmetic number, because the mean of its divisors is an integer number (67696092).

Almost surely, 2^1146138565 is an apocalyptic number.

It is an amenable number.

1146138565 is a deficient number, since it is larger than the sum of its proper divisors (478567643).

1146138565 is a wasteful number, since it uses less digits than its factorization.

1146138565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123349 (or 123336 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 1146138565 is about 33854.6682896170. The cubic root of 1146138565 is about 1046.5156048751.

The spelling of 1146138565 in words is "one billion, one hundred forty-six million, one hundred thirty-eight thousand, five hundred sixty-five".