131134204225155 has 16 divisors (see below), whose sum is σ = 209824403742720. Its totient is φ = 69935016592608.

The previous prime is 131134204225139. The next prime is 131134204225307. The reversal of 131134204225155 is 551522402431131.

It is not a de Polignac number, because 131134204225155 - 2⁴ = 131134204225139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201267715 + ... + 201918204.

It is an arithmetic number, because the mean of its divisors is an integer number (13114025233920).

Almost surely, 2^{131134204225155} is an apocalyptic number.

131134204225155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131134204225155 is a deficient number, since it is larger than the sum of its proper divisors (78690199517565).

131134204225155 is a wasteful number, since it uses less digits than its factorization.

131134204225155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403207610.

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 131134204225155 its reverse (551522402431131), we get a palindrome (682656606656286).

The spelling of 131134204225155 in words is "one hundred thirty-one trillion, one hundred thirty-four billion, two hundred four million, two hundred twenty-five thousand, one hundred fifty-five".