131121134 has 8 divisors (see below), whose sum is σ = 203026368. Its totient is φ = 63445680.

The previous prime is 131121131. The next prime is 131121149. The reversal of 131121134 is 431121131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131121131) 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 3 ways as a sum of consecutive naturals, for example, 1057367 + ... + 1057490.

It is an arithmetic number, because the mean of its divisors is an integer number (25378296).

Almost surely, 2^131121134 is an apocalyptic number.

131121134 is a deficient number, since it is larger than the sum of its proper divisors (71905234).

131121134 is a wasteful number, since it uses less digits than its factorization.

131121134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114890.

The product of its digits is 72, while the sum is 17.

The square root of 131121134 is about 11450.8136828786. The cubic root of 131121134 is about 508.0318014894.

Adding to 131121134 its reverse (431121131), we get a palindrome (562242265).

The spelling of 131121134 in words is "one hundred thirty-one million, one hundred twenty-one thousand, one hundred thirty-four".