1442442135 has 16 divisors (see below), whose sum is σ = 2333841120. Its totient is φ = 760657920.

The previous prime is 1442442109. The next prime is 1442442137. The reversal of 1442442135 is 5312442441.

It is not a de Polignac number, because 1442442135 - 2⁸ = 1442441879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442442137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538906 + ... + 541575.

It is an arithmetic number, because the mean of its divisors is an integer number (145865070).

Almost surely, 2^1442442135 is an apocalyptic number.

1442442135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1442442135 is a deficient number, since it is larger than the sum of its proper divisors (891398985).

1442442135 is a wasteful number, since it uses less digits than its factorization.

1442442135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080578.

The product of its digits is 15360, while the sum is 30.

The square root of 1442442135 is about 37979.4962446844. The cubic root of 1442442135 is about 1129.8812455149.

Adding to 1442442135 its reverse (5312442441), we get a palindrome (6754884576).

The spelling of 1442442135 in words is "one billion, four hundred forty-two million, four hundred forty-two thousand, one hundred thirty-five".