1349869300 has 54 divisors (see below), whose sum is σ = 3157639478. Its totient is φ = 497924160.

The previous prime is 1349869277. The next prime is 1349869321. The reversal of 1349869300 is 39689431.

It can be written as a sum of positive squares in 3 ways, for example, as 4153444 + 1345715856 = 2038^2 + 36684^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1324191 + ... + 1325209.

Almost surely, 2^1349869300 is an apocalyptic number.

1349869300 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 1349869300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1578819739).

1349869300 is an abundant number, since it is smaller than the sum of its proper divisors (1807770178).

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

1349869300 is a wasteful number, since it uses less digits than its factorization.

1349869300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1349869300 is about 36740.5674969781. The cubic root of 1349869300 is about 1105.1737815583.

The spelling of 1349869300 in words is "one billion, three hundred forty-nine million, eight hundred sixty-nine thousand, three hundred".