134678451348385 has 32 divisors (see below), whose sum is σ = 185073346547712. Its totient is φ = 92165211357120.

The previous prime is 134678451348383. The next prime is 134678451348421. The reversal of 134678451348385 is 583843154876431.

It is a happy number.

It is not a de Polignac number, because 134678451348385 - 2¹ = 134678451348383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134678451348383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1346855740 + ... + 1346955730.

It is an arithmetic number, because the mean of its divisors is an integer number (5783542079616).

Almost surely, 2^{134678451348385} is an apocalyptic number.

It is an amenable number.

134678451348385 is a deficient number, since it is larger than the sum of its proper divisors (50394895199327).

134678451348385 is an equidigital number, since it uses as much as digits as its factorization.

134678451348385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177013.

The product of its digits is 928972800, while the sum is 70.

The spelling of 134678451348385 in words is "one hundred thirty-four trillion, six hundred seventy-eight billion, four hundred fifty-one million, three hundred forty-eight thousand, three hundred eighty-five".