1304042132 has 18 divisors (see below), whose sum is σ = 2385612138. Its totient is φ = 623671312.

The previous prime is 1304042111. The next prime is 1304042141. The reversal of 1304042132 is 2312404031.

It can be written as a sum of positive squares in only one way, i.e., 975562756 + 328479376 = 31234^2 + 18124^2 .

It is a super-2 number, since 2×1304042132² = 3401051764062210848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306023 + ... + 310254.

Almost surely, 2^1304042132 is an apocalyptic number.

It is an amenable number.

1304042132 is a deficient number, since it is larger than the sum of its proper divisors (1081570006).

1304042132 is a wasteful number, since it uses less digits than its factorization.

1304042132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616327 (or 616302 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1304042132 is about 36111.5235347389. The cubic root of 1304042132 is about 1092.5228804072.

Adding to 1304042132 its reverse (2312404031), we get a palindrome (3616446163).

The spelling of 1304042132 in words is "one billion, three hundred four million, forty-two thousand, one hundred thirty-two".