131422135 has 8 divisors (see below), whose sum is σ = 169837920. Its totient is φ = 97050144.

The previous prime is 131422133. The next prime is 131422157. The reversal of 131422135 is 531224131.

It is a happy number.

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 131422135 - 2¹ = 131422133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131422133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010875 + ... + 1011004.

It is an arithmetic number, because the mean of its divisors is an integer number (21229740).

Almost surely, 2^131422135 is an apocalyptic number.

131422135 is a deficient number, since it is larger than the sum of its proper divisors (38415785).

131422135 is a wasteful number, since it uses less digits than its factorization.

131422135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021897.

The product of its digits is 720, while the sum is 22.

The square root of 131422135 is about 11463.9493631122. The cubic root of 131422135 is about 508.4202494636.

Adding to 131422135 its reverse (531224131), we get a palindrome (662646266).

The spelling of 131422135 in words is "one hundred thirty-one million, four hundred twenty-two thousand, one hundred thirty-five".