131332534 has 8 divisors (see below), whose sum is σ = 199773648. Its totient is φ = 64741320.

The previous prime is 131332459. The next prime is 131332559. The reversal of 131332534 is 435233131.

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

It is a super-2 number, since 2×131332534² = 34496468973722312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131332499 and 131332508.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 462297 + ... + 462580.

It is an arithmetic number, because the mean of its divisors is an integer number (24971706).

Almost surely, 2^131332534 is an apocalyptic number.

131332534 is a deficient number, since it is larger than the sum of its proper divisors (68441114).

131332534 is an equidigital number, since it uses as much as digits as its factorization.

131332534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924950.

The product of its digits is 3240, while the sum is 25.

The square root of 131332534 is about 11460.0407503638. The cubic root of 131332534 is about 508.3046795877.

Adding to 131332534 its reverse (435233131), we get a palindrome (566565665).

The spelling of 131332534 in words is "one hundred thirty-one million, three hundred thirty-two thousand, five hundred thirty-four".