1406120513 has 12 divisors (see below), whose sum is σ = 1655403120. Its totient is φ = 1190721672.

The previous prime is 1406120483. The next prime is 1406120519. The reversal of 1406120513 is 3150216041.

It is not a de Polignac number, because 1406120513 - 2⁶ = 1406120449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1406120519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168803 + ... + 176936.

It is an arithmetic number, because the mean of its divisors is an integer number (137950260).

Almost surely, 2^1406120513 is an apocalyptic number.

It is an amenable number.

1406120513 is a deficient number, since it is larger than the sum of its proper divisors (249282607).

1406120513 is an equidigital number, since it uses as much as digits as its factorization.

1406120513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345836 (or 345829 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1406120513 is about 37498.2734669211. The cubic root of 1406120513 is about 1120.3167984041.

Adding to 1406120513 its reverse (3150216041), we get a palindrome (4556336554).

The spelling of 1406120513 in words is "one billion, four hundred six million, one hundred twenty thousand, five hundred thirteen".