131541724 has 6 divisors (see below), whose sum is σ = 230198024. Its totient is φ = 65770860.

The previous prime is 131541721. The next prime is 131541727. The reversal of 131541724 is 427145131.

It is an interprime number because it is at equal distance from previous prime (131541721) and next prime (131541727).

It is a junction number, because it is equal to n+sod(n) for n = 131541692 and 131541701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131541721) by changing a digit.

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 as a sum of consecutive naturals, namely, 16442712 + ... + 16442719.

Almost surely, 2^131541724 is an apocalyptic number.

It is an amenable number.

131541724 is a deficient number, since it is larger than the sum of its proper divisors (98656300).

131541724 is a wasteful number, since it uses less digits than its factorization.

131541724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32885435 (or 32885433 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 131541724 is about 11469.1640497466. The cubic root of 131541724 is about 508.5744168881.

Adding to 131541724 its reverse (427145131), we get a palindrome (558686855).

It can be divided in two parts, 13154 and 1724, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 131541724 in words is "one hundred thirty-one million, five hundred forty-one thousand, seven hundred twenty-four".