1332640636 has 12 divisors (see below), whose sum is σ = 2337510112. Its totient is φ = 664780608.

The previous prime is 1332640609. The next prime is 1332640657. The reversal of 1332640636 is 6360462331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382980 + ... + 386443.

Almost surely, 2^1332640636 is an apocalyptic number.

It is an amenable number.

1332640636 is a deficient number, since it is larger than the sum of its proper divisors (1004869476).

1332640636 is a wasteful number, since it uses less digits than its factorization.

1332640636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769860 (or 769858 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 1332640636 is about 36505.3507858780. The cubic root of 1332640636 is about 1100.4517802644.

The spelling of 1332640636 in words is "one billion, three hundred thirty-two million, six hundred forty thousand, six hundred thirty-six".