131668822 has 8 divisors (see below), whose sum is σ = 207898200. Its totient is φ = 62369424.

The previous prime is 131668799. The next prime is 131668837. The reversal of 131668822 is 228866131.

It is a happy number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1732447 + ... + 1732522.

It is an arithmetic number, because the mean of its divisors is an integer number (25987275).

Almost surely, 2^131668822 is an apocalyptic number.

131668822 is a deficient number, since it is larger than the sum of its proper divisors (76229378).

131668822 is a wasteful number, since it uses less digits than its factorization.

131668822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464990.

The product of its digits is 27648, while the sum is 37.

The square root of 131668822 is about 11474.7035691559. The cubic root of 131668822 is about 508.7381621040.

The spelling of 131668822 in words is "one hundred thirty-one million, six hundred sixty-eight thousand, eight hundred twenty-two".