1421400013 has 16 divisors (see below), whose sum is σ = 1672050240. Its totient is φ = 1194307200.

The previous prime is 1421400011. The next prime is 1421400041. The reversal of 1421400013 is 3100041241.

It is a cyclic number.

It is not a de Polignac number, because 1421400013 - 2¹ = 1421400011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421400013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421400011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74370 + ... + 91507.

It is an arithmetic number, because the mean of its divisors is an integer number (104503140).

Almost surely, 2^1421400013 is an apocalyptic number.

It is an amenable number.

1421400013 is a deficient number, since it is larger than the sum of its proper divisors (250650227).

1421400013 is a wasteful number, since it uses less digits than its factorization.

1421400013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165948.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1421400013 is about 37701.4590301224. The cubic root of 1421400013 is about 1124.3601333829.

Adding to 1421400013 its reverse (3100041241), we get a palindrome (4521441254).

The spelling of 1421400013 in words is "one billion, four hundred twenty-one million, four hundred thousand, thirteen".