1380806632 has 8 divisors (see below), whose sum is σ = 2589012450. Its totient is φ = 690403312.

The previous prime is 1380806629. The next prime is 1380806671. The reversal of 1380806632 is 2366080831.

It can be written as a sum of positive squares in only one way, i.e., 980566596 + 400240036 = 31314^2 + 20006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1380806591 and 1380806600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86300407 + ... + 86300422.

Almost surely, 2^1380806632 is an apocalyptic number.

It is an amenable number.

1380806632 is a deficient number, since it is larger than the sum of its proper divisors (1208205818).

1380806632 is a wasteful number, since it uses less digits than its factorization.

1380806632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172600835 (or 172600831 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1380806632 is about 37159.2065577294. The cubic root of 1380806632 is about 1113.5531602052.

The spelling of 1380806632 in words is "one billion, three hundred eighty million, eight hundred six thousand, six hundred thirty-two".