1347405859 has 4 divisors (see below), whose sum is σ = 1393868160. Its totient is φ = 1300943560.

The previous prime is 1347405847. The next prime is 1347405877. The reversal of 1347405859 is 9585047431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9585047431 = 131 ⋅73168301.

It is a cyclic number.

It is not a de Polignac number, because 1347405859 - 2²⁹ = 810534947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1347405889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23231107 + ... + 23231164.

It is an arithmetic number, because the mean of its divisors is an integer number (348467040).

Almost surely, 2^1347405859 is an apocalyptic number.

1347405859 is a deficient number, since it is larger than the sum of its proper divisors (46462301).

1347405859 is an equidigital number, since it uses as much as digits as its factorization.

1347405859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46462300.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 1347405859 is about 36707.0273789638. The cubic root of 1347405859 is about 1104.5010773576.

The spelling of 1347405859 in words is "one billion, three hundred forty-seven million, four hundred five thousand, eight hundred fifty-nine".