1313489671 has 4 divisors (see below), whose sum is σ = 1414527352. Its totient is φ = 1212451992.

The previous prime is 1313489633. The next prime is 1313489687. The reversal of 1313489671 is 1769843131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313489671 - 2¹⁹ = 1312965383 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 (1313481671) 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, 50518821 + ... + 50518846.

It is an arithmetic number, because the mean of its divisors is an integer number (353631838).

Almost surely, 2^1313489671 is an apocalyptic number.

1313489671 is a deficient number, since it is larger than the sum of its proper divisors (101037681).

1313489671 is a wasteful number, since it uses less digits than its factorization.

1313489671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101037680.

The product of its digits is 108864, while the sum is 43.

The square root of 1313489671 is about 36242.0980490920. The cubic root of 1313489671 is about 1095.1549084096.

The spelling of 1313489671 in words is "one billion, three hundred thirteen million, four hundred eighty-nine thousand, six hundred seventy-one".