134903808723456 has 160 divisors (see below), whose sum is σ = 400378284715200. Its totient is φ = 44849285591040.

The previous prime is 134903808723449. The next prime is 134903808723457. The reversal of 134903808723456 is 654327808309431.

It is a happy number.

134903808723456 is a `hidden beast` number, since 1 + 3 + 4 + 9 + 0 + 3 + 80 + 87 + 23 + 456 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 134903808723393 and 134903808723402.

It is not an unprimeable number, because it can be changed into a prime (134903808723457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7634935 + ... + 18113526.

It is an arithmetic number, because the mean of its divisors is an integer number (2502364279470).

It is a 1-persistent number, because it is pandigital, but 2⋅134903808723456 = 269807617446912 is not.

Almost surely, 2^{134903808723456} is an apocalyptic number.

134903808723456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

134903808723456 is an abundant number, since it is smaller than the sum of its proper divisors (265474475991744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134903808723456 is an equidigital number, since it uses as much as digits as its factorization.

134903808723456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25748867 (or 25748845 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 63.

The spelling of 134903808723456 in words is "one hundred thirty-four trillion, nine hundred three billion, eight hundred eight million, seven hundred twenty-three thousand, four hundred fifty-six".