1412782139 has 4 divisors (see below), whose sum is σ = 1415874024. Its totient is φ = 1409690256.

The previous prime is 1412782099. The next prime is 1412782171. The reversal of 1412782139 is 9312872141.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1412782139 - 2¹² = 1412778043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1412782039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545257 + ... + 1546170.

It is an arithmetic number, because the mean of its divisors is an integer number (353968506).

Almost surely, 2^1412782139 is an apocalyptic number.

1412782139 is a deficient number, since it is larger than the sum of its proper divisors (3091885).

1412782139 is an equidigital number, since it uses as much as digits as its factorization.

1412782139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091884.

The product of its digits is 24192, while the sum is 38.

The square root of 1412782139 is about 37586.9942799368. The cubic root of 1412782139 is about 1122.0832133042.

The spelling of 1412782139 in words is "one billion, four hundred twelve million, seven hundred eighty-two thousand, one hundred thirty-nine".