1146466140 has 48 divisors (see below), whose sum is σ = 3213796992. Its totient is φ = 305372736.

The previous prime is 1146466133. The next prime is 1146466171. The reversal of 1146466140 is 416646411.

It is a super-2 number, since 2×1146466140² = 2628769220332999200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43887 + ... + 64953.

It is an arithmetic number, because the mean of its divisors is an integer number (66954104).

Almost surely, 2^1146466140 is an apocalyptic number.

1146466140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1146466140 is an abundant number, since it is smaller than the sum of its proper divisors (2067330852).

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

1146466140 is a wasteful number, since it uses less digits than its factorization.

1146466140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21986 (or 21984 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1146466140 is about 33859.5059030695. The cubic root of 1146466140 is about 1046.6152960485.

It can be divided in two parts, 114646 and 6140, that added together give a triangular number (120786 = T₄₉₁).

The spelling of 1146466140 in words is "one billion, one hundred forty-six million, four hundred sixty-six thousand, one hundred forty".