1450135140 has 96 divisors (see below), whose sum is σ = 4210375680. Its totient is φ = 372481536.

The previous prime is 1450135121. The next prime is 1450135147. The reversal of 1450135140 is 415310541.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1450135140.

It is not an unprimeable number, because it can be changed into a prime (1450135147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1055494 + ... + 1056866.

It is an arithmetic number, because the mean of its divisors is an integer number (43858080).

Almost surely, 2^1450135140 is an apocalyptic number.

1450135140 is a gapful number since it is divisible by the number (10) 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 1450135140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2105187840).

1450135140 is an abundant number, since it is smaller than the sum of its proper divisors (2760240540).

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

1450135140 is a wasteful number, since it uses less digits than its factorization.

1450135140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021 (or 2019 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1450135140 is about 38080.6399631099. The cubic root of 1450135140 is about 1131.8863577144.

Adding to 1450135140 its reverse (415310541), we get a palindrome (1865445681).

The spelling of 1450135140 in words is "one billion, four hundred fifty million, one hundred thirty-five thousand, one hundred forty".