461446138 has 4 divisors (see below), whose sum is σ = 692169210. Its totient is φ = 230723068.

The previous prime is 461446127. The next prime is 461446157. The reversal of 461446138 is 831644164.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 461089729 + 356409 = 21473^2 + 597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 461446097 and 461446106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115361533 + ... + 115361536.

Almost surely, 2^461446138 is an apocalyptic number.

461446138 is a deficient number, since it is larger than the sum of its proper divisors (230723072).

461446138 is a wasteful number, since it uses less digits than its factorization.

461446138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230723071.

The product of its digits is 55296, while the sum is 37.

The square root of 461446138 is about 21481.2974002968. The cubic root of 461446138 is about 772.7523572346.

The spelling of 461446138 in words is "four hundred sixty-one million, four hundred forty-six thousand, one hundred thirty-eight".