1421140513 has 4 divisors (see below), whose sum is σ = 1530459028. Its totient is φ = 1311822000.

The previous prime is 1421140507. The next prime is 1421140529. The reversal of 1421140513 is 3150411241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 936788449 + 484352064 = 30607^2 + 22008^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421140513 - 2⁹ = 1421140001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421140573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54659238 + ... + 54659263.

It is an arithmetic number, because the mean of its divisors is an integer number (382614757).

Almost surely, 2^1421140513 is an apocalyptic number.

1421140513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1421140513 is a deficient number, since it is larger than the sum of its proper divisors (109318515).

1421140513 is a wasteful number, since it uses less digits than its factorization.

1421140513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109318514.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1421140513 is about 37698.0173616598. The cubic root of 1421140513 is about 1124.2917057271.

Adding to 1421140513 its reverse (3150411241), we get a palindrome (4571551754).

The spelling of 1421140513 in words is "one billion, four hundred twenty-one million, one hundred forty thousand, five hundred thirteen".