1350443140 has 24 divisors (see below), whose sum is σ = 2843090712. Its totient is φ = 538813440.

The previous prime is 1350443123. The next prime is 1350443167. The reversal of 1350443140 is 413440531.

It can be written as a sum of positive squares in 4 ways, for example, as 14394436 + 1336048704 = 3794^2 + 36552^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77101 + ... + 92980.

It is an arithmetic number, because the mean of its divisors is an integer number (118462113).

Almost surely, 2^1350443140 is an apocalyptic number.

1350443140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350443140 is an abundant number, since it is smaller than the sum of its proper divisors (1492647572).

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

1350443140 is a wasteful number, since it uses less digits than its factorization.

1350443140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170487 (or 170485 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1350443140 is about 36748.3760185399. The cubic root of 1350443140 is about 1105.3303653790.

Adding to 1350443140 its reverse (413440531), we get a palindrome (1763883671).

It can be divided in two parts, 13504 and 43140, that added together give a square (56644 = 238²).

The spelling of 1350443140 in words is "one billion, three hundred fifty million, four hundred forty-three thousand, one hundred forty".