1349349804 has 144 divisors (see below), whose sum is σ = 3847683840. Its totient is φ = 395176320.

The previous prime is 1349349791. The next prime is 1349349839. The reversal of 1349349804 is 4089439431.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1349349804.

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, 1855689 + ... + 1856415.

Almost surely, 2^1349349804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1349349804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1923841920).

1349349804 is an abundant number, since it is smaller than the sum of its proper divisors (2498334036).

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

1349349804 is a wasteful number, since it uses less digits than its factorization.

1349349804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 1349349804 is about 36733.4970292783. The cubic root of 1349349804 is about 1105.0319883180.

It can be divided in two parts, 1349 and 349804, that added together give a palindrome (351153).

The spelling of 1349349804 in words is "one billion, three hundred forty-nine million, three hundred forty-nine thousand, eight hundred four".