131498 has 8 divisors (see below), whose sum is σ = 202692. Its totient is φ = 63936.

The previous prime is 131497. The next prime is 131501. The reversal of 131498 is 894131.

It can be written as a sum of positive squares in 2 ways, for example, as 124609 + 6889 = 353^2 + 83^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131497) 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, 815 + ... + 962.

2¹³¹⁴⁹⁸ is an apocalyptic number.

131498 is a deficient number, since it is larger than the sum of its proper divisors (71194).

131498 is a wasteful number, since it uses less digits than its factorization.

131498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816.

The product of its digits is 864, while the sum is 26.

The square root of 131498 is about 362.6265296417. The cubic root of 131498 is about 50.8518061203.

The spelling of 131498 in words is "one hundred thirty-one thousand, four hundred ninety-eight".