131529005 has 8 divisors (see below), whose sum is σ = 158895000. Its totient is φ = 104516416.

The previous prime is 131528981. The next prime is 131529011. The reversal of 131529005 is 500925131.

It can be written as a sum of positive squares in 4 ways, for example, as 586756 + 130942249 = 766^2 + 11443^2 .

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 131529005 - 2²⁶ = 64420141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87530 + ... + 89019.

It is an arithmetic number, because the mean of its divisors is an integer number (19861875).

Almost surely, 2^131529005 is an apocalyptic number.

It is an amenable number.

131529005 is a deficient number, since it is larger than the sum of its proper divisors (27365995).

131529005 is a wasteful number, since it uses less digits than its factorization.

131529005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176703.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 131529005 is about 11468.6095495487. The cubic root of 131529005 is about 508.5580247090.

The spelling of 131529005 in words is "one hundred thirty-one million, five hundred twenty-nine thousand, five".