1347608091 has 4 divisors (see below), whose sum is σ = 1796810792. Its totient is φ = 898405392.

The previous prime is 1347608057. The next prime is 1347608137. The reversal of 1347608091 is 1908067431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1347608091 - 2⁹ = 1347607579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1347608021) 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, 224601346 + ... + 224601351.

It is an arithmetic number, because the mean of its divisors is an integer number (449202698).

Almost surely, 2^1347608091 is an apocalyptic number.

1347608091 is a deficient number, since it is larger than the sum of its proper divisors (449202701).

1347608091 is an equidigital number, since it uses as much as digits as its factorization.

1347608091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449202700.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1347608091 is about 36709.7819524987. The cubic root of 1347608091 is about 1104.5563327425.

The spelling of 1347608091 in words is "one billion, three hundred forty-seven million, six hundred eight thousand, ninety-one".