1146085731 has 12 divisors (see below), whose sum is σ = 1891951152. Its totient is φ = 654906096.

The previous prime is 1146085723. The next prime is 1146085739. The reversal of 1146085731 is 1375806411.

1146085731 is a `hidden beast` number, since 1 + 14 + 608 + 5 + 7 + 31 = 666.

It is an interprime number because it is at equal distance from previous prime (1146085723) and next prime (1146085739).

It is not a de Polignac number, because 1146085731 - 2³ = 1146085723 is a prime.

It is a super-2 number, since 2×1146085731² = 2627025005603608722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1146085739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9095856 + ... + 9095981.

It is an arithmetic number, because the mean of its divisors is an integer number (157662596).

Almost surely, 2^1146085731 is an apocalyptic number.

1146085731 is a deficient number, since it is larger than the sum of its proper divisors (745865421).

1146085731 is a wasteful number, since it uses less digits than its factorization.

1146085731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18191850 (or 18191847 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 1146085731 is about 33853.8879746478. The cubic root of 1146085731 is about 1046.4995240810.

The spelling of 1146085731 in words is "one billion, one hundred forty-six million, eighty-five thousand, seven hundred thirty-one".