1339128422 has 16 divisors (see below), whose sum is σ = 2064722400. Its totient is φ = 651111552.

The previous prime is 1339128361. The next prime is 1339128431. The reversal of 1339128422 is 2248219331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43922 + ... + 67877.

It is an arithmetic number, because the mean of its divisors is an integer number (129045150).

Almost surely, 2^1339128422 is an apocalyptic number.

1339128422 is a deficient number, since it is larger than the sum of its proper divisors (725593978).

1339128422 is a wasteful number, since it uses less digits than its factorization.

1339128422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111967.

The product of its digits is 20736, while the sum is 35.

The square root of 1339128422 is about 36594.1036507249. The cubic root of 1339128422 is about 1102.2346917752.

Subtracting 1339128422 from its reverse (2248219331), we obtain a palindrome (909090909).

The spelling of 1339128422 in words is "one billion, three hundred thirty-nine million, one hundred twenty-eight thousand, four hundred twenty-two".