461803139 has 8 divisors (see below), whose sum is σ = 529003008. Its totient is φ = 394910280.

The previous prime is 461803091. The next prime is 461803159. The reversal of 461803139 is 931308164.

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

It is a cyclic number.

It is not a de Polignac number, because 461803139 - 2¹⁶ = 461737603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461803099 and 461803108.

It is not an unprimeable number, because it can be changed into a prime (461803159) 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, 73517 + ... + 79550.

It is an arithmetic number, because the mean of its divisors is an integer number (66125376).

Almost surely, 2^461803139 is an apocalyptic number.

461803139 is a deficient number, since it is larger than the sum of its proper divisors (67199869).

461803139 is a wasteful number, since it uses less digits than its factorization.

461803139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153505.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 461803139 is about 21489.6053709695. The cubic root of 461803139 is about 772.9515876021.

The spelling of 461803139 in words is "four hundred sixty-one million, eight hundred three thousand, one hundred thirty-nine".