131006534 has 4 divisors (see below), whose sum is σ = 196509804. Its totient is φ = 65503266.

The previous prime is 131006489. The next prime is 131006567. The reversal of 131006534 is 435600131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32751632 + ... + 32751635.

It is an arithmetic number, because the mean of its divisors is an integer number (49127451).

Almost surely, 2^131006534 is an apocalyptic number.

131006534 is a deficient number, since it is larger than the sum of its proper divisors (65503270).

131006534 is an equidigital number, since it uses as much as digits as its factorization.

131006534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65503269.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 131006534 is about 11445.8085778157. The cubic root of 131006534 is about 507.8837515845.

Adding to 131006534 its reverse (435600131), we get a palindrome (566606665).

The spelling of 131006534 in words is "one hundred thirty-one million, six thousand, five hundred thirty-four".