1146065890 has 16 divisors (see below), whose sum is σ = 2075274432. Its totient is φ = 455680624.

The previous prime is 1146065881. The next prime is 1146065891. The reversal of 1146065890 is 985606411.

It is not an unprimeable number, because it can be changed into a prime (1146065891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341464 + ... + 344803.

It is an arithmetic number, because the mean of its divisors is an integer number (129704652).

Almost surely, 2^1146065890 is an apocalyptic number.

1146065890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1146065890 is a deficient number, since it is larger than the sum of its proper divisors (929208542).

1146065890 is a wasteful number, since it uses less digits than its factorization.

1146065890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686441.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1146065890 is about 33853.5949346595. The cubic root of 1146065890 is about 1046.4934850572.

The spelling of 1146065890 in words is "one billion, one hundred forty-six million, sixty-five thousand, eight hundred ninety".