1391310748 has 24 divisors (see below), whose sum is σ = 2452230144. Its totient is φ = 690692400.

The previous prime is 1391310743. The next prime is 1391310751. The reversal of 1391310748 is 8470131931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1391310743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335061 + ... + 339187.

It is an arithmetic number, because the mean of its divisors is an integer number (102176256).

Almost surely, 2^1391310748 is an apocalyptic number.

It is an amenable number.

1391310748 is a deficient number, since it is larger than the sum of its proper divisors (1060919396).

1391310748 is a wasteful number, since it uses less digits than its factorization.

1391310748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713 (or 4711 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1391310748 is about 37300.2781222875. The cubic root of 1391310748 is about 1116.3697158075.

The spelling of 1391310748 in words is "one billion, three hundred ninety-one million, three hundred ten thousand, seven hundred forty-eight".