135457127 has 4 divisors (see below), whose sum is σ = 145876920. Its totient is φ = 125037336.

The previous prime is 135457109. The next prime is 135457129. The reversal of 135457127 is 721754531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 721754531 = 22769 ⋅31699.

It is a cyclic number.

It is not a de Polignac number, because 135457127 - 2¹⁰ = 135456103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135457129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5209877 + ... + 5209902.

It is an arithmetic number, because the mean of its divisors is an integer number (36469230).

Almost surely, 2^135457127 is an apocalyptic number.

135457127 is a deficient number, since it is larger than the sum of its proper divisors (10419793).

135457127 is a wasteful number, since it uses less digits than its factorization.

135457127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10419792.

The product of its digits is 29400, while the sum is 35.

The square root of 135457127 is about 11638.6050280951. The cubic root of 135457127 is about 513.5711510741.

The spelling of 135457127 in words is "one hundred thirty-five million, four hundred fifty-seven thousand, one hundred twenty-seven".