1380516776 has 32 divisors (see below), whose sum is σ = 2647291680. Its totient is φ = 674731200.

The previous prime is 1380516749. The next prime is 1380516779. The reversal of 1380516776 is 6776150831.

It is not an unprimeable number, because it can be changed into a prime (1380516779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60386 + ... + 80046.

It is an arithmetic number, because the mean of its divisors is an integer number (82727865).

Almost surely, 2^1380516776 is an apocalyptic number.

It is an amenable number.

1380516776 is a deficient number, since it is larger than the sum of its proper divisors (1266774904).

1380516776 is a wasteful number, since it uses less digits than its factorization.

1380516776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19865 (or 19861 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 1380516776 is about 37155.3061621083. The cubic root of 1380516776 is about 1113.4752365131.

The spelling of 1380516776 in words is "one billion, three hundred eighty million, five hundred sixteen thousand, seven hundred seventy-six".