125534134542 has 32 divisors (see below), whose sum is σ = 254677699584. Its totient is φ = 41243479200.

The previous prime is 125534134489. The next prime is 125534134553. The reversal of 125534134542 is 245431435521.

It is a self number, because there is not a number n which added to its sum of digits gives 125534134542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1506228 + ... + 1587384.

It is an arithmetic number, because the mean of its divisors is an integer number (7958678112).

Almost surely, 2^125534134542 is an apocalyptic number.

125534134542 is an abundant number, since it is smaller than the sum of its proper divisors (129143565042).

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

125534134542 is a wasteful number, since it uses less digits than its factorization.

125534134542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84864.

The product of its digits is 288000, while the sum is 39.

The spelling of 125534134542 in words is "one hundred twenty-five billion, five hundred thirty-four million, one hundred thirty-four thousand, five hundred forty-two".