131352521 has 8 divisors (see below), whose sum is σ = 133584000. Its totient is φ = 129139920.

The previous prime is 131352509. The next prime is 131352541. The reversal of 131352521 is 125253131.

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 131352521 - 2¹⁰ = 131351497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131352541) 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, 9680 + ... + 18878.

It is an arithmetic number, because the mean of its divisors is an integer number (16698000).

Almost surely, 2^131352521 is an apocalyptic number.

It is an amenable number.

131352521 is a deficient number, since it is larger than the sum of its proper divisors (2231479).

131352521 is a wasteful number, since it uses less digits than its factorization.

131352521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9439.

The product of its digits is 900, while the sum is 23.

The square root of 131352521 is about 11460.9127472466. The cubic root of 131352521 is about 508.3304639332.

The spelling of 131352521 in words is "one hundred thirty-one million, three hundred fifty-two thousand, five hundred twenty-one".