461164139 has 2 divisors, whose sum is σ = 461164140. Its totient is φ = 461164138.

The previous prime is 461164129. The next prime is 461164199. The reversal of 461164139 is 931461164.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461164139 is a prime.

It is a super-2 number, since 2×461164139² = 425344726199222642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 461164099 and 461164108.

It is not a weakly prime, because it can be changed into another prime (461164129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230582069 + 230582070.

It is an arithmetic number, because the mean of its divisors is an integer number (230582070).

Almost surely, 2^461164139 is an apocalyptic number.

461164139 is a deficient number, since it is larger than the sum of its proper divisors (1).

461164139 is an equidigital number, since it uses as much as digits as its factorization.

461164139 is an odious number, because the sum of its binary digits is odd.

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

The square root of 461164139 is about 21474.7325710939. The cubic root of 461164139 is about 772.5949103302.

The spelling of 461164139 in words is "four hundred sixty-one million, one hundred sixty-four thousand, one hundred thirty-nine".