1341883728 has 90 divisors (see below), whose sum is σ = 3821567594. Its totient is φ = 439549056.

The previous prime is 1341883717. The next prime is 1341883771. The reversal of 1341883728 is 8273881431.

It can be written as a sum of positive squares in only one way, i.e., 762422544 + 579461184 = 27612^2 + 24072^2 .

It is a super-3 number, since 3×1341883728³ (a number of 28 digits) contains 333 as substring.

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, 499926 + ... + 502602.

Almost surely, 2^1341883728 is an apocalyptic number.

1341883728 is a gapful number since it is divisible by the number (18) 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 1341883728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1910783797).

1341883728 is an abundant number, since it is smaller than the sum of its proper divisors (2479683866).

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

1341883728 is a wasteful number, since it uses less digits than its factorization.

1341883728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809 (or 2741 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 1341883728 is about 36631.7311630231. The cubic root of 1341883728 is about 1102.9901367046.

The spelling of 1341883728 in words is "one billion, three hundred forty-one million, eight hundred eighty-three thousand, seven hundred twenty-eight".