1387041322 has 8 divisors (see below), whose sum is σ = 2202948036. Its totient is φ = 652725312.

The previous prime is 1387041317. The next prime is 1387041329. The reversal of 1387041322 is 2231407831.

It can be written as a sum of positive squares in 2 ways, for example, as 1222970841 + 164070481 = 34971^2 + 12809^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1387041329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20397633 + ... + 20397700.

Almost surely, 2^1387041322 is an apocalyptic number.

1387041322 is a deficient number, since it is larger than the sum of its proper divisors (815906714).

1387041322 is a wasteful number, since it uses less digits than its factorization.

1387041322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40795352.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1387041322 is about 37243.0036651181. The cubic root of 1387041322 is about 1115.2266350761.

The spelling of 1387041322 in words is "one billion, three hundred eighty-seven million, forty-one thousand, three hundred twenty-two".