1442135504 has 20 divisors (see below), whose sum is σ = 2796596676. Its totient is φ = 720433152.

The previous prime is 1442135479. The next prime is 1442135507. The reversal of 1442135504 is 4055312441.

It can be written as a sum of positive squares in 2 ways, for example, as 1249481104 + 192654400 = 35348^2 + 13880^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442135507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20639 + ... + 57534.

Almost surely, 2^1442135504 is an apocalyptic number.

It is an amenable number.

1442135504 is a deficient number, since it is larger than the sum of its proper divisors (1354461172).

1442135504 is a wasteful number, since it uses less digits than its factorization.

1442135504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79334 (or 79328 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1442135504 is about 37975.4592335629. The cubic root of 1442135504 is about 1129.8011773304.

Adding to 1442135504 its reverse (4055312441), we get a palindrome (5497447945).

The spelling of 1442135504 in words is "one billion, four hundred forty-two million, one hundred thirty-five thousand, five hundred four".