134259816723 has 8 divisors (see below), whose sum is σ = 180597276048. Its totient is φ = 88714450944.

The previous prime is 134259816721. The next prime is 134259816731. The reversal of 134259816723 is 327618952431.

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

It is not a de Polignac number, because 134259816723 - 2¹ = 134259816721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134259816721) 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, 198022990 + ... + 198023667.

It is an arithmetic number, because the mean of its divisors is an integer number (22574659506).

Almost surely, 2^134259816723 is an apocalyptic number.

134259816723 is a deficient number, since it is larger than the sum of its proper divisors (46337459325).

134259816723 is a wasteful number, since it uses less digits than its factorization.

134259816723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396046773.

The product of its digits is 2177280, while the sum is 51.

The spelling of 134259816723 in words is "one hundred thirty-four billion, two hundred fifty-nine million, eight hundred sixteen thousand, seven hundred twenty-three".