134556720125 has 32 divisors (see below), whose sum is σ = 171029439360. Its totient is φ = 105661987200.

The previous prime is 134556720113. The next prime is 134556720167. The reversal of 134556720125 is 521027655431.

It is not a de Polignac number, because 134556720125 - 2²⁴ = 134539942909 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 5023769 + ... + 5050481.

It is an arithmetic number, because the mean of its divisors is an integer number (5344669980).

Almost surely, 2^134556720125 is an apocalyptic number.

It is an amenable number.

134556720125 is a deficient number, since it is larger than the sum of its proper divisors (36472719235).

134556720125 is an equidigital number, since it uses as much as digits as its factorization.

134556720125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27470 (or 27460 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 134556720125 in words is "one hundred thirty-four billion, five hundred fifty-six million, seven hundred twenty thousand, one hundred twenty-five".