1348290740 has 72 divisors (see below), whose sum is σ = 3080991816. Its totient is φ = 493619200.

The previous prime is 1348290737. The next prime is 1348290743. The reversal of 1348290740 is 470928431.

It is an interprime number because it is at equal distance from previous prime (1348290737) and next prime (1348290743).

It can be written as a sum of positive squares in 4 ways, for example, as 46812964 + 1301477776 = 6842^2 + 36076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1348290694 and 1348290703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348290743) 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 23 ways as a sum of consecutive naturals, for example, 4335185 + ... + 4335495.

It is an arithmetic number, because the mean of its divisors is an integer number (42791553).

Almost surely, 2^1348290740 is an apocalyptic number.

1348290740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1348290740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1540495908).

1348290740 is an abundant number, since it is smaller than the sum of its proper divisors (1732701076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1348290740 is a wasteful number, since it uses less digits than its factorization.

1348290740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1348290740 is about 36719.0786921459. The cubic root of 1348290740 is about 1104.7428105462.

The spelling of 1348290740 in words is "one billion, three hundred forty-eight million, two hundred ninety thousand, seven hundred forty".