131154134128 has 40 divisors (see below), whose sum is σ = 254626560000. Its totient is φ = 65444186304.

The previous prime is 131154134123. The next prime is 131154134131. The reversal of 131154134128 is 821431451131.

It is a junction number, because it is equal to n+sod(n) for n = 131154134093 and 131154134102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131154134123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23761353 + ... + 23766871.

It is an arithmetic number, because the mean of its divisors is an integer number (6365664000).

Almost surely, 2^131154134128 is an apocalyptic number.

It is an amenable number.

131154134128 is a deficient number, since it is larger than the sum of its proper divisors (123472425872).

131154134128 is a wasteful number, since it uses less digits than its factorization.

131154134128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269 (or 8263 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

Adding to 131154134128 its reverse (821431451131), we get a palindrome (952585585259).

The spelling of 131154134128 in words is "one hundred thirty-one billion, one hundred fifty-four million, one hundred thirty-four thousand, one hundred twenty-eight".