135466371127 has 4 divisors (see below), whose sum is σ = 135475611880. Its totient is φ = 135457130376.

The previous prime is 135466371077. The next prime is 135466371143. The reversal of 135466371127 is 721173664531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 721173664531 = 197 ⋅3660780023.

It is a cyclic number.

It is not a de Polignac number, because 135466371127 - 2⁷ = 135466370999 is a prime.

It is a super-2 number, since 2×135466371127² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135466371527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4598352 + ... + 4627717.

It is an arithmetic number, because the mean of its divisors is an integer number (33868902970).

Almost surely, 2^135466371127 is an apocalyptic number.

135466371127 is a deficient number, since it is larger than the sum of its proper divisors (9240753).

135466371127 is an equidigital number, since it uses as much as digits as its factorization.

135466371127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9240752.

The product of its digits is 635040, while the sum is 46.

It can be divided in two parts, 1354 and 66371127, that added together give a triangular number (66372481 = T₁₁₅₂₁).

The spelling of 135466371127 in words is "one hundred thirty-five billion, four hundred sixty-six million, three hundred seventy-one thousand, one hundred twenty-seven".