1379288752 has 10 divisors (see below), whose sum is σ = 2672371988. Its totient is φ = 689644368.

The previous prime is 1379288747. The next prime is 1379288753. The reversal of 1379288752 is 2578829731.

It is a super-2 number, since 2×1379288752² = 3804874922787435008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1379288752.

It is not an unprimeable number, because it can be changed into a prime (1379288753) 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 as a sum of consecutive naturals, namely, 43102758 + ... + 43102789.

Almost surely, 2^1379288752 is an apocalyptic number.

It is an amenable number.

1379288752 is a deficient number, since it is larger than the sum of its proper divisors (1293083236).

1379288752 is an equidigital number, since it uses as much as digits as its factorization.

1379288752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86205555 (or 86205549 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 52.

The square root of 1379288752 is about 37138.7769319346. The cubic root of 1379288752 is about 1113.1449785540.

The spelling of 1379288752 in words is "one billion, three hundred seventy-nine million, two hundred eighty-eight thousand, seven hundred fifty-two".