1420001243513 has 4 divisors (see below), whose sum is σ = 1433272283280. Its totient is φ = 1406730203748.

The previous prime is 1420001243489. The next prime is 1420001243527. The reversal of 1420001243513 is 3153421000241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1420001243513 - 2¹² = 1420001239417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420001243543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6635519723 + ... + 6635519936.

It is an arithmetic number, because the mean of its divisors is an integer number (358318070820).

Almost surely, 2^{1420001243513} is an apocalyptic number.

It is an amenable number.

1420001243513 is a deficient number, since it is larger than the sum of its proper divisors (13271039767).

1420001243513 is a wasteful number, since it uses less digits than its factorization.

1420001243513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13271039766.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1420001243513 its reverse (3153421000241), we get a palindrome (4573422243754).

The spelling of 1420001243513 in words is "one trillion, four hundred twenty billion, one million, two hundred forty-three thousand, five hundred thirteen".