76542145134 has 32 divisors (see below), whose sum is σ = 188411435520. Its totient is φ = 20186939232.

The previous prime is 76542145123. The next prime is 76542145139. The reversal of 76542145134 is 43154124567.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76542145139) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 70092994 + ... + 70094085.

It is an arithmetic number, because the mean of its divisors is an integer number (5887857360).

Almost surely, 2^76542145134 is an apocalyptic number.

76542145134 is an abundant number, since it is smaller than the sum of its proper divisors (111869290386).

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

76542145134 is a wasteful number, since it uses less digits than its factorization.

76542145134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140187104.

The product of its digits is 403200, while the sum is 42.

The spelling of 76542145134 in words is "seventy-six billion, five hundred forty-two million, one hundred forty-five thousand, one hundred thirty-four".