1331132659 has 8 divisors (see below), whose sum is σ = 1393539840. Its totient is φ = 1269103176.

The previous prime is 1331132633. The next prime is 1331132681. The reversal of 1331132659 is 9562311331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331132659 - 2¹⁹ = 1330608371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331132629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87199 + ... + 101320.

It is an arithmetic number, because the mean of its divisors is an integer number (174192480).

Almost surely, 2^1331132659 is an apocalyptic number.

1331132659 is a deficient number, since it is larger than the sum of its proper divisors (62407181).

1331132659 is a wasteful number, since it uses less digits than its factorization.

1331132659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188849.

The product of its digits is 14580, while the sum is 34.

The square root of 1331132659 is about 36484.6907483125. The cubic root of 1331132659 is about 1100.0365439650.

The spelling of 1331132659 in words is "one billion, three hundred thirty-one million, one hundred thirty-two thousand, six hundred fifty-nine".