131526121 has 8 divisors (see below), whose sum is σ = 140437440. Its totient is φ = 122880912.

The previous prime is 131526119. The next prime is 131526137. The reversal of 131526121 is 121625131.

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 131526121 - 2¹ = 131526119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131526092 and 131526101.

It is not an unprimeable number, because it can be changed into a prime (131526181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65506 + ... + 67483.

It is an arithmetic number, because the mean of its divisors is an integer number (17554680).

Almost surely, 2^131526121 is an apocalyptic number.

It is an amenable number.

131526121 is a deficient number, since it is larger than the sum of its proper divisors (8911319).

131526121 is a wasteful number, since it uses less digits than its factorization.

131526121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133055.

The product of its digits is 360, while the sum is 22.

The square root of 131526121 is about 11468.4838143497. The cubic root of 131526121 is about 508.5543076782.

The spelling of 131526121 in words is "one hundred thirty-one million, five hundred twenty-six thousand, one hundred twenty-one".