131532704 has 24 divisors (see below), whose sum is σ = 261525348. Its totient is φ = 65113600.

The previous prime is 131532703. The next prime is 131532727. The reversal of 131532704 is 407235131.

It can be written as a sum of positive squares in 2 ways, for example, as 131148304 + 384400 = 11452^2 + 620^2 .

It is not an unprimeable number, because it can be changed into a prime (131532701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17117 + ... + 23580.

Almost surely, 2^131532704 is an apocalyptic number.

It is an amenable number.

131532704 is a deficient number, since it is larger than the sum of its proper divisors (129992644).

131532704 is a wasteful number, since it uses less digits than its factorization.

131532704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40808 (or 40800 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 131532704 is about 11468.7708146950. The cubic root of 131532704 is about 508.5627920693.

Adding to 131532704 its reverse (407235131), we get a palindrome (538767835).

The spelling of 131532704 in words is "one hundred thirty-one million, five hundred thirty-two thousand, seven hundred four".