134543201231525 has 24 divisors (see below), whose sum is σ = 167347684967424. Its totient is φ = 107303137459200.

The previous prime is 134543201231431. The next prime is 134543201231629. The reversal of 134543201231525 is 525132102345431.

It is not a de Polignac number, because 134543201231525 - 2⁸ = 134543201231269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17107397 + ... + 23701253.

It is an arithmetic number, because the mean of its divisors is an integer number (6972820206976).

Almost surely, 2^{134543201231525} is an apocalyptic number.

It is an amenable number.

134543201231525 is a deficient number, since it is larger than the sum of its proper divisors (32804483735899).

134543201231525 is a wasteful number, since it uses less digits than its factorization.

134543201231525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6596381 (or 6596376 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 134543201231525 its reverse (525132102345431), we get a palindrome (659675303576956).

The spelling of 134543201231525 in words is "one hundred thirty-four trillion, five hundred forty-three billion, two hundred one million, two hundred thirty-one thousand, five hundred twenty-five".