1380164788 has 48 divisors (see below), whose sum is σ = 2697710400. Its totient is φ = 613992960.

The previous prime is 1380164783. The next prime is 1380164801. The reversal of 1380164788 is 8874610831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380164783) 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 15 ways as a sum of consecutive naturals, for example, 850618 + ... + 852238.

It is an arithmetic number, because the mean of its divisors is an integer number (56202300).

Almost surely, 2^1380164788 is an apocalyptic number.

It is an amenable number.

1380164788 is a deficient number, since it is larger than the sum of its proper divisors (1317545612).

1380164788 is a wasteful number, since it uses less digits than its factorization.

1380164788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 1380164788 is about 37150.5691477264. The cubic root of 1380164788 is about 1113.3805948439.

The spelling of 1380164788 in words is "one billion, three hundred eighty million, one hundred sixty-four thousand, seven hundred eighty-eight".