1461285839 has 16 divisors (see below), whose sum is σ = 1672030080. Its totient is φ = 1265919840.

The previous prime is 1461285827. The next prime is 1461285853. The reversal of 1461285839 is 9385821641.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1461285839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1461285793 and 1461285802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461285139) 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 in 15 ways as a sum of consecutive naturals, for example, 1217 + ... + 54074.

It is an arithmetic number, because the mean of its divisors is an integer number (104501880).

Almost surely, 2^1461285839 is an apocalyptic number.

1461285839 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1461285839 is a deficient number, since it is larger than the sum of its proper divisors (210744241).

1461285839 is a wasteful number, since it uses less digits than its factorization.

1461285839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55430.

The product of its digits is 414720, while the sum is 47.

The square root of 1461285839 is about 38226.7686183386. The cubic root of 1461285839 is about 1134.7801365996.

The spelling of 1461285839 in words is "one billion, four hundred sixty-one million, two hundred eighty-five thousand, eight hundred thirty-nine".