1348791390 has 96 divisors (see below), whose sum is σ = 3727990656. Its totient is φ = 337167360.

The previous prime is 1348791349. The next prime is 1348791403. The reversal of 1348791390 is 931978431.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 413004 + ... + 416256.

It is an arithmetic number, because the mean of its divisors is an integer number (38833236).

Almost surely, 2^1348791390 is an apocalyptic number.

1348791390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1348791390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1863995328).

1348791390 is an abundant number, since it is smaller than the sum of its proper divisors (2379199266).

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

1348791390 is a wasteful number, since it uses less digits than its factorization.

1348791390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554 (or 3551 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1348791390 is about 36725.8953600862. The cubic root of 1348791390 is about 1104.8795320578.

The spelling of 1348791390 in words is "one billion, three hundred forty-eight million, seven hundred ninety-one thousand, three hundred ninety".