461164138 has 8 divisors (see below), whose sum is σ = 691981380. Its totient is φ = 230503680.

The previous prime is 461164129. The next prime is 461164139. The reversal of 461164138 is 831461164.

It can be written as a sum of positive squares in 2 ways, for example, as 459802249 + 1361889 = 21443^2 + 1167^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (461164139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31543 + ... + 43786.

Almost surely, 2^461164138 is an apocalyptic number.

461164138 is a deficient number, since it is larger than the sum of its proper divisors (230817242).

461164138 is a wasteful number, since it uses less digits than its factorization.

461164138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78392.

The product of its digits is 13824, while the sum is 34.

The square root of 461164138 is about 21474.7325478107. The cubic root of 461164138 is about 772.5949097717.

The spelling of 461164138 in words is "four hundred sixty-one million, one hundred sixty-four thousand, one hundred thirty-eight".