1146181338 has 96 divisors (see below), whose sum is σ = 2629720080. Its totient is φ = 360391680.

The previous prime is 1146181247. The next prime is 1146181357. The reversal of 1146181338 is 8331816411.

1146181338 is a `hidden beast` number, since 1 + 1 + 4 + 618 + 1 + 3 + 38 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 82573569 + 1063607769 = 9087^2 + 32613^2 .

Its product of digits (13824) is a multiple of the sum of its prime factors (512).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3615556 + ... + 3615872.

Almost surely, 2^1146181338 is an apocalyptic number.

1146181338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1146181338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1314860040).

1146181338 is an abundant number, since it is smaller than the sum of its proper divisors (1483538742).

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

1146181338 is a wasteful number, since it uses less digits than its factorization.

1146181338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 509 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 1146181338 is about 33855.2999986708. The cubic root of 1146181338 is about 1046.5286230961.

Adding to 1146181338 its reverse (8331816411), we get a palindrome (9477997749).

The spelling of 1146181338 in words is "one billion, one hundred forty-six million, one hundred eighty-one thousand, three hundred thirty-eight".