1379405732 has 12 divisors (see below), whose sum is σ = 2479202460. Its totient is φ = 671062176.

The previous prime is 1379405723. The next prime is 1379405761. The reversal of 1379405732 is 2375049731.

It can be written as a sum of positive squares in 2 ways, for example, as 1309281856 + 70123876 = 36184^2 + 8374^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1379405732.

It is an unprimeable number.

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, 4660007 + ... + 4660302.

It is an arithmetic number, because the mean of its divisors is an integer number (206600205).

Almost surely, 2^1379405732 is an apocalyptic number.

It is an amenable number.

1379405732 is a deficient number, since it is larger than the sum of its proper divisors (1099796728).

1379405732 is a wasteful number, since it uses less digits than its factorization.

1379405732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9320350 (or 9320348 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 1379405732 is about 37140.3518023187. The cubic root of 1379405732 is about 1113.1764469511.

The spelling of 1379405732 in words is "one billion, three hundred seventy-nine million, four hundred five thousand, seven hundred thirty-two".