1316732445 has 48 divisors (see below), whose sum is σ = 2612113920. Its totient is φ = 601074432.

The previous prime is 1316732429. The next prime is 1316732447. The reversal of 1316732445 is 5442376131.

It is not a de Polignac number, because 1316732445 - 2⁴ = 1316732429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316732447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252252 + ... + 257418.

It is an arithmetic number, because the mean of its divisors is an integer number (54419040).

Almost surely, 2^1316732445 is an apocalyptic number.

1316732445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1316732445 is a deficient number, since it is larger than the sum of its proper divisors (1295381475).

1316732445 is a wasteful number, since it uses less digits than its factorization.

1316732445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5994 (or 5991 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 1316732445 is about 36286.8081401492. The cubic root of 1316732445 is about 1096.0554157628.

The spelling of 1316732445 in words is "one billion, three hundred sixteen million, seven hundred thirty-two thousand, four hundred forty-five".