131334541 has 8 divisors (see below), whose sum is σ = 143027640. Its totient is φ = 119868672.

The previous prime is 131334527. The next prime is 131334557. The reversal of 131334541 is 145433131.

It can be written as a sum of positive squares in 4 ways, for example, as 4862025 + 126472516 = 2205^2 + 11246^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 131334541 - 2⁵ = 131334509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131334041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55600 + ... + 57913.

It is an arithmetic number, because the mean of its divisors is an integer number (17878455).

Almost surely, 2^131334541 is an apocalyptic number.

It is an amenable number.

131334541 is a deficient number, since it is larger than the sum of its proper divisors (11693099).

131334541 is a wasteful number, since it uses less digits than its factorization.

131334541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113615.

The product of its digits is 2160, while the sum is 25.

The square root of 131334541 is about 11460.1283151630. The cubic root of 131334541 is about 508.3072688478.

Adding to 131334541 its reverse (145433131), we get a palindrome (276767672).

The spelling of 131334541 in words is "one hundred thirty-one million, three hundred thirty-four thousand, five hundred forty-one".