131122134 has 96 divisors (see below), whose sum is σ = 337323168. Its totient is φ = 36590400.

The previous prime is 131122133. The next prime is 131122153. The reversal of 131122134 is 431221131.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131122133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 311244 + ... + 311664.

It is an arithmetic number, because the mean of its divisors is an integer number (3513783).

Almost surely, 2^131122134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131122134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168661584).

131122134 is an abundant number, since it is smaller than the sum of its proper divisors (206201034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131122134 is a wasteful number, since it uses less digits than its factorization.

131122134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 450 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 131122134 is about 11450.8573478146. The cubic root of 131122134 is about 508.0330929937.

Adding to 131122134 its reverse (431221131), we get a palindrome (562343265).

It can be divided in two parts, 131 and 122134, that added together give a triangular number (122265 = T₄₉₄).

The spelling of 131122134 in words is "one hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty-four".