1379805332 has 12 divisors (see below), whose sum is σ = 2479920660. Its totient is φ = 671256576.

The previous prime is 1379805313. The next prime is 1379805337. The reversal of 1379805332 is 2335089731.

It can be written as a sum of positive squares in 2 ways, for example, as 701932036 + 677873296 = 26494^2 + 26036^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1379805332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379805337) 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 3 ways as a sum of consecutive naturals, for example, 4661357 + ... + 4661652.

It is an arithmetic number, because the mean of its divisors is an integer number (206660055).

Almost surely, 2^1379805332 is an apocalyptic number.

It is an amenable number.

1379805332 is a deficient number, since it is larger than the sum of its proper divisors (1100115328).

1379805332 is a wasteful number, since it uses less digits than its factorization.

1379805332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323050 (or 9323048 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 1379805332 is about 37145.7310064023. The cubic root of 1379805332 is about 1113.2839285888.

The spelling of 1379805332 in words is "one billion, three hundred seventy-nine million, eight hundred five thousand, three hundred thirty-two".