134355174669440 has 64 divisors (see below), whose sum is σ = 326458295923320. Its totient is φ = 52861052313600.

The previous prime is 134355174669437. The next prime is 134355174669449. The reversal of 134355174669440 is 44966471553431.

It can be written as a sum of positive squares in 4 ways, for example, as 59041520087104 + 75313654582336 = 7683848^2 + 8678344^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (134355174669449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1720698341 + ... + 1720776420.

Almost surely, 2^{134355174669440} is an apocalyptic number.

134355174669440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134355174669440 is an abundant number, since it is smaller than the sum of its proper divisors (192103121253880).

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

134355174669440 is an equidigital number, since it uses as much as digits as its factorization.

134355174669440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441474841 (or 3441474829 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 62.

The spelling of 134355174669440 in words is "one hundred thirty-four trillion, three hundred fifty-five billion, one hundred seventy-four million, six hundred sixty-nine thousand, four hundred forty".