134728123174 has 4 divisors (see below), whose sum is σ = 202092184764. Its totient is φ = 67364061586.

The previous prime is 134728123171. The next prime is 134728123183. The reversal of 134728123174 is 471321827431.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 134728123174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134728123171) by changing a digit.

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 as a sum of consecutive naturals, namely, 33682030792 + ... + 33682030795.

It is an arithmetic number, because the mean of its divisors is an integer number (50523046191).

Almost surely, 2^134728123174 is an apocalyptic number.

134728123174 is a deficient number, since it is larger than the sum of its proper divisors (67364061590).

134728123174 is an equidigital number, since it uses as much as digits as its factorization.

134728123174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67364061589.

The product of its digits is 225792, while the sum is 43.

The spelling of 134728123174 in words is "one hundred thirty-four billion, seven hundred twenty-eight million, one hundred twenty-three thousand, one hundred seventy-four".