131555134124 has 96 divisors (see below), whose sum is σ = 245414400000. Its totient is φ = 61616712960.

The previous prime is 131555134121. The next prime is 131555134133. The reversal of 131555134124 is 421431555131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131555134121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158690942 + ... + 158691770.

It is an arithmetic number, because the mean of its divisors is an integer number (2556400000).

Almost surely, 2^131555134124 is an apocalyptic number.

It is an amenable number.

131555134124 is a deficient number, since it is larger than the sum of its proper divisors (113859265876).

131555134124 is a wasteful number, since it uses less digits than its factorization.

131555134124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231 (or 1229 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

Adding to 131555134124 its reverse (421431555131), we get a palindrome (552986689255).

The spelling of 131555134124 in words is "one hundred thirty-one billion, five hundred fifty-five million, one hundred thirty-four thousand, one hundred twenty-four".