135051471 has 6 divisors (see below), whose sum is σ = 195074360. Its totient is φ = 90034308.

The previous prime is 135051467. The next prime is 135051479. The reversal of 135051471 is 174150531.

135051471 is a `hidden beast` number, since 13 + 505 + 147 + 1 = 666.

It is not a de Polignac number, because 135051471 - 2² = 135051467 is a prime.

It is a super-3 number, since 3×135051471³ (a number of 25 digits) contains 333 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 (135051479) 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 5 ways as a sum of consecutive naturals, for example, 7502851 + ... + 7502868.

Almost surely, 2^135051471 is an apocalyptic number.

135051471 is a deficient number, since it is larger than the sum of its proper divisors (60022889).

135051471 is a wasteful number, since it uses less digits than its factorization.

135051471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15005725 (or 15005722 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 135051471 is about 11621.1647867157. The cubic root of 135051471 is about 513.0579714020.

The spelling of 135051471 in words is "one hundred thirty-five million, fifty-one thousand, four hundred seventy-one".