131134500120 has 64 divisors (see below), whose sum is σ = 423665313120. Its totient is φ = 32279261184.

The previous prime is 131134500041. The next prime is 131134500121. The reversal of 131134500120 is 21005431131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131134500121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42028729 + ... + 42031848.

Almost surely, 2^131134500120 is an apocalyptic number.

131134500120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131134500120 is an abundant number, since it is smaller than the sum of its proper divisors (292530813000).

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

131134500120 is a wasteful number, since it uses less digits than its factorization.

131134500120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84060604 (or 84060600 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 131134500120 its reverse (21005431131), we get a palindrome (152139931251).

The spelling of 131134500120 in words is "one hundred thirty-one billion, one hundred thirty-four million, five hundred thousand, one hundred twenty".