131528465125 has 16 divisors (see below), whose sum is σ = 164347103232. Its totient is φ = 105094837200.

The previous prime is 131528465119. The next prime is 131528465153. The reversal of 131528465125 is 521564825131.

It is a de Polignac number, because none of the positive numbers 2^k-131528465125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536389 + ... + 742138.

It is an arithmetic number, because the mean of its divisors is an integer number (10271693952).

Almost surely, 2^131528465125 is an apocalyptic number.

It is an amenable number.

131528465125 is a deficient number, since it is larger than the sum of its proper divisors (32818638107).

131528465125 is an equidigital number, since it uses as much as digits as its factorization.

131528465125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279365 (or 1279355 counting only the distinct ones).

The product of its digits is 288000, while the sum is 43.

The spelling of 131528465125 in words is "one hundred thirty-one billion, five hundred twenty-eight million, four hundred sixty-five thousand, one hundred twenty-five".