1348391764 has 48 divisors (see below), whose sum is σ = 2484953856. Its totient is φ = 639475200.

The previous prime is 1348391731. The next prime is 1348391783. The reversal of 1348391764 is 4671938431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2587824 + ... + 2588344.

It is an arithmetic number, because the mean of its divisors is an integer number (51769872).

Almost surely, 2^1348391764 is an apocalyptic number.

It is an amenable number.

1348391764 is a deficient number, since it is larger than the sum of its proper divisors (1136562092).

1348391764 is a wasteful number, since it uses less digits than its factorization.

1348391764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 974 counting only the distinct ones).

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

The square root of 1348391764 is about 36720.4543000219. The cubic root of 1348391764 is about 1104.7704017146.

The spelling of 1348391764 in words is "one billion, three hundred forty-eight million, three hundred ninety-one thousand, seven hundred sixty-four".