134983965427599 has 64 divisors (see below), whose sum is σ = 201406010775552. Its totient is φ = 80037728409600.

The previous prime is 134983965427547. The next prime is 134983965427631. The reversal of 134983965427599 is 995724569389431.

It is a Cunningham number, because it is equal to 11618260²-1.

It is not a de Polignac number, because 134983965427599 - 2²⁸ = 134983696992143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134983965427699) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5809129 + ... + 17427389.

It is an arithmetic number, because the mean of its divisors is an integer number (3146968918368).

Almost surely, 2^{134983965427599} is an apocalyptic number.

134983965427599 is a deficient number, since it is larger than the sum of its proper divisors (66422045347953).

134983965427599 is a wasteful number, since it uses less digits than its factorization.

134983965427599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11618496.

The product of its digits is 15872371200, while the sum is 84.

The spelling of 134983965427599 in words is "one hundred thirty-four trillion, nine hundred eighty-three billion, nine hundred sixty-five million, four hundred twenty-seven thousand, five hundred ninety-nine".