134124542781 has 8 divisors (see below), whose sum is σ = 180568964160. Its totient is φ = 88548241632.

The previous prime is 134124542777. The next prime is 134124542789. The reversal of 134124542781 is 187245421431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134124542781 - 2² = 134124542777 is a prime.

It is a super-2 number, since 2×134124542781² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134124542789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217029696 + ... + 217030313.

It is an arithmetic number, because the mean of its divisors is an integer number (22571120520).

Almost surely, 2^134124542781 is an apocalyptic number.

It is an amenable number.

134124542781 is a deficient number, since it is larger than the sum of its proper divisors (46444421379).

134124542781 is a wasteful number, since it uses less digits than its factorization.

134124542781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434060115.

The product of its digits is 215040, while the sum is 42.

The spelling of 134124542781 in words is "one hundred thirty-four billion, one hundred twenty-four million, five hundred forty-two thousand, seven hundred eighty-one".