1331132529 has 8 divisors (see below), whose sum is σ = 1832096512. Its totient is φ = 858795120.

The previous prime is 1331132501. The next prime is 1331132629. The reversal of 1331132529 is 9252311331.

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

It is not a de Polignac number, because 1331132529 - 2⁷ = 1331132401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331132496 and 1331132505.

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, 7156534 + ... + 7156719.

It is an arithmetic number, because the mean of its divisors is an integer number (229012064).

Almost surely, 2^1331132529 is an apocalyptic number.

It is an amenable number.

1331132529 is a deficient number, since it is larger than the sum of its proper divisors (500963983).

1331132529 is a wasteful number, since it uses less digits than its factorization.

1331132529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14313287.

The product of its digits is 4860, while the sum is 30.

The square root of 1331132529 is about 36484.6889667433. The cubic root of 1331132529 is about 1100.0365081547.

The spelling of 1331132529 in words is "one billion, three hundred thirty-one million, one hundred thirty-two thousand, five hundred twenty-nine".