1317488632 has 8 divisors (see below), whose sum is σ = 2470291200. Its totient is φ = 658744312.

The previous prime is 1317488621. The next prime is 1317488639. The reversal of 1317488632 is 2368847131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317488639) by changing a digit.

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, 82343032 + ... + 82343047.

It is an arithmetic number, because the mean of its divisors is an integer number (308786400).

Almost surely, 2^1317488632 is an apocalyptic number.

It is an amenable number.

1317488632 is a deficient number, since it is larger than the sum of its proper divisors (1152802568).

1317488632 is a wasteful number, since it uses less digits than its factorization.

1317488632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164686085 (or 164686081 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 1317488632 is about 36297.2262301130. The cubic root of 1317488632 is about 1096.2651936992.

The spelling of 1317488632 in words is "one billion, three hundred seventeen million, four hundred eighty-eight thousand, six hundred thirty-two".