1381143482 has 4 divisors (see below), whose sum is σ = 2071715226. Its totient is φ = 690571740.

The previous prime is 1381143451. The next prime is 1381143493. The reversal of 1381143482 is 2843411831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1168887721 + 212255761 = 34189^2 + 14569^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345285869 + ... + 345285872.

Almost surely, 2^1381143482 is an apocalyptic number.

1381143482 is a deficient number, since it is larger than the sum of its proper divisors (690571744).

1381143482 is an equidigital number, since it uses as much as digits as its factorization.

1381143482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690571743.

The product of its digits is 18432, while the sum is 35.

The square root of 1381143482 is about 37163.7388054539. The cubic root of 1381143482 is about 1113.6437038713.

The spelling of 1381143482 in words is "one billion, three hundred eighty-one million, one hundred forty-three thousand, four hundred eighty-two".