1380966764 has 12 divisors (see below), whose sum is σ = 2419043088. Its totient is φ = 689811600.

The previous prime is 1380966757. The next prime is 1380966767. The reversal of 1380966764 is 4676690831.

It is not an unprimeable number, because it can be changed into a prime (1380966767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163307 + ... + 171554.

It is an arithmetic number, because the mean of its divisors is an integer number (201586924).

Almost surely, 2^1380966764 is an apocalyptic number.

It is an amenable number.

1380966764 is a deficient number, since it is larger than the sum of its proper divisors (1038076324).

1380966764 is a wasteful number, since it uses less digits than its factorization.

1380966764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335896 (or 335894 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 1380966764 is about 37161.3611699033. The cubic root of 1380966764 is about 1113.5962047556.

The spelling of 1380966764 in words is "one billion, three hundred eighty million, nine hundred sixty-six thousand, seven hundred sixty-four".