131222134 has 8 divisors (see below), whose sum is σ = 199045080. Its totient is φ = 64873776.

The previous prime is 131222131. The next prime is 131222141. The reversal of 131222134 is 431222131.

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 not an unprimeable number, because it can be changed into a prime (131222131) 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, 368424 + ... + 368779.

It is an arithmetic number, because the mean of its divisors is an integer number (24880635).

Almost surely, 2^131222134 is an apocalyptic number.

131222134 is a deficient number, since it is larger than the sum of its proper divisors (67822946).

131222134 is an equidigital number, since it uses as much as digits as its factorization.

131222134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737294.

The product of its digits is 288, while the sum is 19.

The square root of 131222134 is about 11455.2230008848. The cubic root of 131222134 is about 508.1622102734.

Adding to 131222134 its reverse (431222131), we get a palindrome (562444265).

The spelling of 131222134 in words is "one hundred thirty-one million, two hundred twenty-two thousand, one hundred thirty-four".