1413400421 has 4 divisors (see below), whose sum is σ = 1447873644. Its totient is φ = 1378927200.

The previous prime is 1413400381. The next prime is 1413400423. The reversal of 1413400421 is 1240043141.

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 151019521 + 1262380900 = 12289^2 + 35530^2 .

It is a cyclic number.

It is not a de Polignac number, because 1413400421 - 2⁶ = 1413400357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1413400393 and 1413400402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1413400423) 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 3 ways as a sum of consecutive naturals, for example, 17236550 + ... + 17236631.

It is an arithmetic number, because the mean of its divisors is an integer number (361968411).

Almost surely, 2^1413400421 is an apocalyptic number.

It is an amenable number.

1413400421 is a deficient number, since it is larger than the sum of its proper divisors (34473223).

1413400421 is an equidigital number, since it uses as much as digits as its factorization.

1413400421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34473222.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1413400421 is about 37595.2180602800. The cubic root of 1413400421 is about 1122.2468768193.

Adding to 1413400421 its reverse (1240043141), we get a palindrome (2653443562).

The spelling of 1413400421 in words is "one billion, four hundred thirteen million, four hundred thousand, four hundred twenty-one".