1361819432 has 8 divisors (see below), whose sum is σ = 2553411450. Its totient is φ = 680909712.

The previous prime is 1361819399. The next prime is 1361819479. The reversal of 1361819432 is 2349181631.

It can be written as a sum of positive squares in only one way, i.e., 1349386756 + 12432676 = 36734^2 + 3526^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85113707 + ... + 85113722.

Almost surely, 2^1361819432 is an apocalyptic number.

It is an amenable number.

1361819432 is a deficient number, since it is larger than the sum of its proper divisors (1191592018).

1361819432 is a wasteful number, since it uses less digits than its factorization.

1361819432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170227435 (or 170227431 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 1361819432 is about 36902.8377228635. The cubic root of 1361819432 is about 1108.4255013609.

The spelling of 1361819432 in words is "one billion, three hundred sixty-one million, eight hundred nineteen thousand, four hundred thirty-two".