461132189 has 6 divisors (see below), whose sum is σ = 536419134. Its totient is φ = 395256120.

The previous prime is 461132173. The next prime is 461132201. The reversal of 461132189 is 981231164.

It can be written as a sum of positive squares in only one way, i.e., 389391289 + 71740900 = 19733^2 + 8470^2 .

It is not a de Polignac number, because 461132189 - 2⁴ = 461132173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461132159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4705382 + ... + 4705479.

It is an arithmetic number, because the mean of its divisors is an integer number (89403189).

Almost surely, 2^461132189 is an apocalyptic number.

461132189 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

461132189 is a deficient number, since it is larger than the sum of its proper divisors (75286945).

461132189 is an equidigital number, since it uses as much as digits as its factorization.

461132189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9410875 (or 9410868 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 461132189 is about 21473.9886607030. The cubic root of 461132189 is about 772.5770678201.

The spelling of 461132189 in words is "four hundred sixty-one million, one hundred thirty-two thousand, one hundred eighty-nine".