1379309252 has 12 divisors (see below), whose sum is σ = 2497025580. Its totient is φ = 665873376.

The previous prime is 1379309219. The next prime is 1379309303. The reversal of 1379309252 is 2529039731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 397364356 + 981944896 = 19934^2 + 31336^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5945183 + ... + 5945414.

It is an arithmetic number, because the mean of its divisors is an integer number (208085465).

Almost surely, 2^1379309252 is an apocalyptic number.

It is an amenable number.

1379309252 is a deficient number, since it is larger than the sum of its proper divisors (1117716328).

1379309252 is a wasteful number, since it uses less digits than its factorization.

1379309252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11890630 (or 11890628 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 1379309252 is about 37139.0529227658. The cubic root of 1379309252 is about 1113.1504933188.

The spelling of 1379309252 in words is "one billion, three hundred seventy-nine million, three hundred nine thousand, two hundred fifty-two".