134695406828551 has 4 divisors (see below), whose sum is σ = 134695712064312. Its totient is φ = 134695101592792.

The previous prime is 134695406828539. The next prime is 134695406828557. The reversal of 134695406828551 is 155828604596431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134695406828551 - 2¹⁷ = 134695406697479 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134695406828557) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 151954996 + ... + 152838841.

It is an arithmetic number, because the mean of its divisors is an integer number (33673928016078).

Almost surely, 2^{134695406828551} is an apocalyptic number.

134695406828551 is a deficient number, since it is larger than the sum of its proper divisors (305235761).

134695406828551 is an equidigital number, since it uses as much as digits as its factorization.

134695406828551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305235760.

The product of its (nonzero) digits is 248832000, while the sum is 67.

The spelling of 134695406828551 in words is "one hundred thirty-four trillion, six hundred ninety-five billion, four hundred six million, eight hundred twenty-eight thousand, five hundred fifty-one".