131500534 has 8 divisors (see below), whose sum is σ = 215182728. Its totient is φ = 59772960.

The previous prime is 131500519. The next prime is 131500547. The reversal of 131500534 is 435005131.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 5977297 = 131500534 / (1 + 3 + 1 + 5 + 0 + 0 + 5 + 3 + 4).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2988627 + ... + 2988670.

It is an arithmetic number, because the mean of its divisors is an integer number (26897841).

Almost surely, 2^131500534 is an apocalyptic number.

131500534 is a deficient number, since it is larger than the sum of its proper divisors (83682194).

131500534 is a wasteful number, since it uses less digits than its factorization.

131500534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977310.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 131500534 is about 11467.3682246625. The cubic root of 131500534 is about 508.5213276058.

Adding to 131500534 its reverse (435005131), we get a palindrome (566505665).

The spelling of 131500534 in words is "one hundred thirty-one million, five hundred thousand, five hundred thirty-four".