131534 has 8 divisors (see below), whose sum is σ = 212520. Its totient is φ = 60696.

The previous prime is 131519. The next prime is 131543. The reversal of 131534 is 435131.

131534 is nontrivially palindromic in base 6.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2504 + ... + 2555.

It is an arithmetic number, because the mean of its divisors is an integer number (26565).

2¹³¹⁵³⁴ is an apocalyptic number.

131534 is a deficient number, since it is larger than the sum of its proper divisors (80986).

131534 is a wasteful number, since it uses less digits than its factorization.

131534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074.

The product of its digits is 180, while the sum is 17.

The square root of 131534 is about 362.6761640913. The cubic root of 131534 is about 50.8564462364.

Adding to 131534 its reverse (435131), we get a palindrome (566665).

The spelling of 131534 in words is "one hundred thirty-one thousand, five hundred thirty-four".