131746121 has 8 divisors (see below), whose sum is σ = 142477440. Its totient is φ = 121100112.

The previous prime is 131746081. The next prime is 131746127. The reversal of 131746121 is 121647131.

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 131746121 - 2²² = 127551817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131746127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18095 + ... + 24308.

It is an arithmetic number, because the mean of its divisors is an integer number (17809680).

Almost surely, 2^131746121 is an apocalyptic number.

It is an amenable number.

131746121 is a deficient number, since it is larger than the sum of its proper divisors (10731319).

131746121 is a wasteful number, since it uses less digits than its factorization.

131746121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42655.

The product of its digits is 1008, while the sum is 26.

The square root of 131746121 is about 11478.0713101113. The cubic root of 131746121 is about 508.8376978372.

The spelling of 131746121 in words is "one hundred thirty-one million, seven hundred forty-six thousand, one hundred twenty-one".