134172440771 has 12 divisors (see below), whose sum is σ = 145433015712. Its totient is φ = 123675295824.

The previous prime is 134172440741. The next prime is 134172440791. The reversal of 134172440771 is 177044271431.

It is not a de Polignac number, because 134172440771 - 2²² = 134168246467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134172440741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5009195 + ... + 5035908.

It is an arithmetic number, because the mean of its divisors is an integer number (12119417976).

Almost surely, 2^134172440771 is an apocalyptic number.

134172440771 is a deficient number, since it is larger than the sum of its proper divisors (11260574941).

134172440771 is a wasteful number, since it uses less digits than its factorization.

134172440771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10045178 (or 10045159 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 41.

The spelling of 134172440771 in words is "one hundred thirty-four billion, one hundred seventy-two million, four hundred forty thousand, seven hundred seventy-one".