1331132499 has 6 divisors (see below), whose sum is σ = 1922746956. Its totient is φ = 887421660.

The previous prime is 1331132479. The next prime is 1331132501. The reversal of 1331132499 is 9942311331.

1331132499 is a `hidden beast` number, since 1 + 3 + 31 + 132 + 499 = 666.

It is not a de Polignac number, because 1331132499 - 2⁷ = 1331132371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331132479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73951797 + ... + 73951814.

It is an arithmetic number, because the mean of its divisors is an integer number (320457826).

Almost surely, 2^1331132499 is an apocalyptic number.

1331132499 is a deficient number, since it is larger than the sum of its proper divisors (591614457).

1331132499 is a wasteful number, since it uses less digits than its factorization.

1331132499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147903617 (or 147903614 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 1331132499 is about 36484.6885556119. The cubic root of 1331132499 is about 1100.0364998908.

The spelling of 1331132499 in words is "one billion, three hundred thirty-one million, one hundred thirty-two thousand, four hundred ninety-nine".