1146891732 has 24 divisors (see below), whose sum is σ = 3058378176. Its totient is φ = 327683328.

The previous prime is 1146891731. The next prime is 1146891773. The reversal of 1146891732 is 2371986411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146891731) 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, 6826653 + ... + 6826820.

It is an arithmetic number, because the mean of its divisors is an integer number (127432424).

Almost surely, 2^1146891732 is an apocalyptic number.

1146891732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1146891732 is an abundant number, since it is smaller than the sum of its proper divisors (1911486444).

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

1146891732 is a wasteful number, since it uses less digits than its factorization.

1146891732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13653487 (or 13653485 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 1146891732 is about 33865.7899952149. The cubic root of 1146891732 is about 1046.7447884586.

The spelling of 1146891732 in words is "one billion, one hundred forty-six million, eight hundred ninety-one thousand, seven hundred thirty-two".