1406334451213 has 4 divisors (see below), whose sum is σ = 1406340446940. Its totient is φ = 1406328455488.

The previous prime is 1406334451183. The next prime is 1406334451217. The reversal of 1406334451213 is 3121544336041.

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 24811605289 + 1381522845924 = 157517^2 + 1175382^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406334451213 - 2¹³ = 1406334443021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406334451217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2631070 + ... + 3120127.

It is an arithmetic number, because the mean of its divisors is an integer number (351585111735).

Almost surely, 2^{1406334451213} is an apocalyptic number.

It is an amenable number.

1406334451213 is a deficient number, since it is larger than the sum of its proper divisors (5995727).

1406334451213 is an equidigital number, since it uses as much as digits as its factorization.

1406334451213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5995726.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 1406334451213 its reverse (3121544336041), we get a palindrome (4527878787254).

The spelling of 1406334451213 in words is "one trillion, four hundred six billion, three hundred thirty-four million, four hundred fifty-one thousand, two hundred thirteen".