134671958999 has 4 divisors (see below), whose sum is σ = 135575797800. Its totient is φ = 133768120200.

The previous prime is 134671958987. The next prime is 134671959011. The reversal of 134671958999 is 999859176431.

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

It is an interprime number because it is at equal distance from previous prime (134671958987) and next prime (134671959011).

It is a cyclic number.

It is not a de Polignac number, because 134671958999 - 2¹⁶ = 134671893463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134671958899) 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, 451919177 + ... + 451919474.

It is an arithmetic number, because the mean of its divisors is an integer number (33893949450).

Almost surely, 2^134671958999 is an apocalyptic number.

134671958999 is a deficient number, since it is larger than the sum of its proper divisors (903838801).

134671958999 is an equidigital number, since it uses as much as digits as its factorization.

134671958999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903838800.

The product of its digits is 132269760, while the sum is 71.

The spelling of 134671958999 in words is "one hundred thirty-four billion, six hundred seventy-one million, nine hundred fifty-eight thousand, nine hundred ninety-nine".