131525198 has 8 divisors (see below), whose sum is σ = 225471792. Its totient is φ = 56367936.

The previous prime is 131525161. The next prime is 131525213. The reversal of 131525198 is 891525131.

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

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4697315 + ... + 4697342.

It is an arithmetic number, because the mean of its divisors is an integer number (28183974).

Almost surely, 2^131525198 is an apocalyptic number.

131525198 is a deficient number, since it is larger than the sum of its proper divisors (93946594).

131525198 is an equidigital number, since it uses as much as digits as its factorization.

131525198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9394666.

The product of its digits is 10800, while the sum is 35.

The square root of 131525198 is about 11468.4435735631. The cubic root of 131525198 is about 508.5531180622.

The spelling of 131525198 in words is "one hundred thirty-one million, five hundred twenty-five thousand, one hundred ninety-eight".