134820713775 has 144 divisors (see below), whose sum is σ = 257015549952. Its totient is φ = 62240428800.

The previous prime is 134820713719. The next prime is 134820713843. The reversal of 134820713775 is 577317028431.

It is not a de Polignac number, because 134820713775 - 2⁹ = 134820713263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 15777154 + ... + 15785696.

It is an arithmetic number, because the mean of its divisors is an integer number (1784830208).

Almost surely, 2^134820713775 is an apocalyptic number.

134820713775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134820713775 is a deficient number, since it is larger than the sum of its proper divisors (122194836177).

134820713775 is a wasteful number, since it uses less digits than its factorization.

134820713775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8662 (or 8646 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 134820713775 in words is "one hundred thirty-four billion, eight hundred twenty million, seven hundred thirteen thousand, seven hundred seventy-five".