1461243536 has 40 divisors (see below), whose sum is σ = 2918087040. Its totient is φ = 708476544.

The previous prime is 1461243529. The next prime is 1461243617. The reversal of 1461243536 is 6353421641.

It is a junction number, because it is equal to n+sod(n) for n = 1461243496 and 1461243505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73055 + ... + 90881.

It is an arithmetic number, because the mean of its divisors is an integer number (72952176).

Almost surely, 2^1461243536 is an apocalyptic number.

1461243536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1461243536 is a deficient number, since it is larger than the sum of its proper divisors (1456843504).

1461243536 is a wasteful number, since it uses less digits than its factorization.

1461243536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17991 (or 17985 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 1461243536 is about 38226.2152978816. The cubic root of 1461243536 is about 1134.7691861828.

The spelling of 1461243536 in words is "one billion, four hundred sixty-one million, two hundred forty-three thousand, five hundred thirty-six".