131145085026 has 48 divisors (see below), whose sum is σ = 290447659008. Its totient is φ = 42747432000.

The previous prime is 131145085007. The next prime is 131145085031. The reversal of 131145085026 is 620580541131.

131145085026 is a `hidden beast` number, since 1 + 3 + 1 + 145 + 0 + 8 + 502 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 906406 + ... + 1041086.

It is an arithmetic number, because the mean of its divisors is an integer number (6050992896).

Almost surely, 2^131145085026 is an apocalyptic number.

131145085026 is an abundant number, since it is smaller than the sum of its proper divisors (159302573982).

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

131145085026 is a wasteful number, since it uses less digits than its factorization.

131145085026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135887 (or 135884 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 131145085026 in words is "one hundred thirty-one billion, one hundred forty-five million, eighty-five thousand, twenty-six".