131825237 has 8 divisors (see below), whose sum is σ = 137061120. Its totient is φ = 126650880.

The previous prime is 131825219. The next prime is 131825263. The reversal of 131825237 is 732528131.

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 131825237 - 2¹² = 131821141 is a prime.

It is a super-2 number, since 2×131825237² = 34755786220212338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131825137) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10988 + ... + 19605.

It is an arithmetic number, because the mean of its divisors is an integer number (17132640).

Almost surely, 2^131825237 is an apocalyptic number.

It is an amenable number.

131825237 is a deficient number, since it is larger than the sum of its proper divisors (5235883).

131825237 is a wasteful number, since it uses less digits than its factorization.

131825237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30763.

The product of its digits is 10080, while the sum is 32.

The square root of 131825237 is about 11481.5171906852. The cubic root of 131825237 is about 508.9395329609.

The spelling of 131825237 in words is "one hundred thirty-one million, eight hundred twenty-five thousand, two hundred thirty-seven".