1339262969 has 6 divisors (see below), whose sum is σ = 1472082570. Its totient is φ = 1217511680.

The previous prime is 1339262963. The next prime is 1339262971. The reversal of 1339262969 is 9692629331.

It can be written as a sum of positive squares in only one way, i.e., 986274025 + 352988944 = 31405^2 + 18788^2 .

It is not a de Polignac number, because 1339262969 - 2¹² = 1339258873 is a prime.

It is a super-2 number, since 2×1339262969² = 3587250600269389922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1339262963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5534024 + ... + 5534265.

It is an arithmetic number, because the mean of its divisors is an integer number (245347095).

Almost surely, 2^1339262969 is an apocalyptic number.

It is an amenable number.

1339262969 is a deficient number, since it is larger than the sum of its proper divisors (132819601).

1339262969 is a wasteful number, since it uses less digits than its factorization.

1339262969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11068311 (or 11068300 counting only the distinct ones).

The product of its digits is 944784, while the sum is 50.

The square root of 1339262969 is about 36595.9419744867. The cubic root of 1339262969 is about 1102.2716056868.

The spelling of 1339262969 in words is "one billion, three hundred thirty-nine million, two hundred sixty-two thousand, nine hundred sixty-nine".