134180490523 has 4 divisors (see below), whose sum is σ = 134186100048. Its totient is φ = 134174881000.

The previous prime is 134180490481. The next prime is 134180490559. The reversal of 134180490523 is 325094081431.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134180490523 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134180490593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2768728 + ... + 2816773.

It is an arithmetic number, because the mean of its divisors is an integer number (33546525012).

Almost surely, 2^134180490523 is an apocalyptic number.

134180490523 is a deficient number, since it is larger than the sum of its proper divisors (5609525).

134180490523 is an equidigital number, since it uses as much as digits as its factorization.

134180490523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5609524.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 134180490523 in words is "one hundred thirty-four billion, one hundred eighty million, four hundred ninety thousand, five hundred twenty-three".