1382072906 has 4 divisors (see below), whose sum is σ = 2073109362. Its totient is φ = 691036452.

The previous prime is 1382072903. The next prime is 1382072917. The reversal of 1382072906 is 6092702831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6092702831 = 31 ⋅196538801.

It can be written as a sum of positive squares in only one way, i.e., 1337730625 + 44342281 = 36575^2 + 6659^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1382072906.

It is not an unprimeable number, because it can be changed into a prime (1382072903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345518225 + ... + 345518228.

Almost surely, 2^1382072906 is an apocalyptic number.

1382072906 is a deficient number, since it is larger than the sum of its proper divisors (691036456).

1382072906 is an equidigital number, since it uses as much as digits as its factorization.

1382072906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691036455.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1382072906 is about 37176.2411494223. The cubic root of 1382072906 is about 1113.8934522651.

The spelling of 1382072906 in words is "one billion, three hundred eighty-two million, seventy-two thousand, nine hundred six".