131662137 has 8 divisors (see below), whose sum is σ = 175624960. Its totient is φ = 87737040.

The previous prime is 131662133. The next prime is 131662147. The reversal of 131662137 is 731266131.

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

It is not a de Polignac number, because 131662137 - 2² = 131662133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131662133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87 + ... + 16227.

It is an arithmetic number, because the mean of its divisors is an integer number (21953120).

Almost surely, 2^131662137 is an apocalyptic number.

It is an amenable number.

131662137 is a deficient number, since it is larger than the sum of its proper divisors (43962823).

131662137 is a wasteful number, since it uses less digits than its factorization.

131662137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18863.

The product of its digits is 4536, while the sum is 30.

The square root of 131662137 is about 11474.4122725306. The cubic root of 131662137 is about 508.7295521889.

The spelling of 131662137 in words is "one hundred thirty-one million, six hundred sixty-two thousand, one hundred thirty-seven".