135254056671 has 24 divisors (see below), whose sum is σ = 200306223936. Its totient is φ = 87893544960.

The previous prime is 135254056667. The next prime is 135254056727. The reversal of 135254056671 is 176650452531.

135254056671 is a `hidden beast` number, since 1 + 3 + 52 + 540 + 56 + 6 + 7 + 1 = 666.

It is not a de Polignac number, because 135254056671 - 2² = 135254056667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135254051671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266506 + ... + 584408.

It is an arithmetic number, because the mean of its divisors is an integer number (8346092664).

Almost surely, 2^135254056671 is an apocalyptic number.

135254056671 is a deficient number, since it is larger than the sum of its proper divisors (65052167265).

135254056671 is a wasteful number, since it uses less digits than its factorization.

135254056671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319103 (or 319100 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 135254056671 in words is "one hundred thirty-five billion, two hundred fifty-four million, fifty-six thousand, six hundred seventy-one".