1442027136 has 128 divisors (see below), whose sum is σ = 4360573440. Its totient is φ = 417950720.

The previous prime is 1442027107. The next prime is 1442027161. The reversal of 1442027136 is 6317202441.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89731 + ... + 104573.

It is an arithmetic number, because the mean of its divisors is an integer number (34066980).

Almost surely, 2^1442027136 is an apocalyptic number.

1442027136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442027136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2180286720).

1442027136 is an abundant number, since it is smaller than the sum of its proper divisors (2918546304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1442027136 is a wasteful number, since it uses less digits than its factorization.

1442027136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14894 (or 14882 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1442027136 is about 37974.0323905692. The cubic root of 1442027136 is about 1129.7728773173.

Adding to 1442027136 its reverse (6317202441), we get a palindrome (7759229577).

The spelling of 1442027136 in words is "one billion, four hundred forty-two million, twenty-seven thousand, one hundred thirty-six".