131132535 has 8 divisors (see below), whose sum is σ = 209812080. Its totient is φ = 69937344.

The previous prime is 131132501. The next prime is 131132537. The reversal of 131132535 is 535231131.

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

It is not a de Polignac number, because 131132535 - 2¹¹ = 131130487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131132537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4371070 + ... + 4371099.

It is an arithmetic number, because the mean of its divisors is an integer number (26226510).

Almost surely, 2^131132535 is an apocalyptic number.

131132535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131132535 is a deficient number, since it is larger than the sum of its proper divisors (78679545).

131132535 is an equidigital number, since it uses as much as digits as its factorization.

131132535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8742177.

The product of its digits is 1350, while the sum is 24.

The square root of 131132535 is about 11451.3114969422. The cubic root of 131132535 is about 508.0465255402.

Adding to 131132535 its reverse (535231131), we get a palindrome (666363666).

The spelling of 131132535 in words is "one hundred thirty-one million, one hundred thirty-two thousand, five hundred thirty-five".