1347468139 has 4 divisors (see below), whose sum is σ = 1352591856. Its totient is φ = 1342344424.

The previous prime is 1347468121. The next prime is 1347468181. The reversal of 1347468139 is 9318647431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9318647431 = 139 ⋅67040629.

It is a cyclic number.

It is not a de Polignac number, because 1347468139 - 2⁵ = 1347468107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1347460139) 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, 2561464 + ... + 2561989.

It is an arithmetic number, because the mean of its divisors is an integer number (338147964).

Almost surely, 2^1347468139 is an apocalyptic number.

1347468139 is a deficient number, since it is larger than the sum of its proper divisors (5123717).

1347468139 is an equidigital number, since it uses as much as digits as its factorization.

1347468139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123716.

The product of its digits is 435456, while the sum is 46.

The square root of 1347468139 is about 36707.8757080820. The cubic root of 1347468139 is about 1104.5180945681.

The spelling of 1347468139 in words is "one billion, three hundred forty-seven million, four hundred sixty-eight thousand, one hundred thirty-nine".