1406334613 has 4 divisors (see below), whose sum is σ = 1454828940. Its totient is φ = 1357840288.

The previous prime is 1406334593. The next prime is 1406334617. The reversal of 1406334613 is 3164336041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3164336041 = 827 ⋅3826283.

It can be written as a sum of positive squares in 2 ways, for example, as 430272049 + 976062564 = 20743^2 + 31242^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406334613 - 2⁵ = 1406334581 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 (1406334617) 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, 24247120 + ... + 24247177.

It is an arithmetic number, because the mean of its divisors is an integer number (363707235).

Almost surely, 2^1406334613 is an apocalyptic number.

It is an amenable number.

1406334613 is a deficient number, since it is larger than the sum of its proper divisors (48494327).

1406334613 is an equidigital number, since it uses as much as digits as its factorization.

1406334613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48494326.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 1406334613 is about 37501.1281563635. The cubic root of 1406334613 is about 1120.3736564168.

The spelling of 1406334613 in words is "one billion, four hundred six million, three hundred thirty-four thousand, six hundred thirteen".