135525471 has 8 divisors (see below), whose sum is σ = 182878080. Its totient is φ = 89261592.

The previous prime is 135525437. The next prime is 135525503. The reversal of 135525471 is 174525531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135525471 - 2⁹ = 135524959 is a prime.

It is a super-3 number, since 3×135525471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135525421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271891 + ... + 272388.

It is an arithmetic number, because the mean of its divisors is an integer number (22859760).

Almost surely, 2^135525471 is an apocalyptic number.

135525471 is a deficient number, since it is larger than the sum of its proper divisors (47352609).

135525471 is an equidigital number, since it uses as much as digits as its factorization.

135525471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544365.

The product of its digits is 21000, while the sum is 33.

The square root of 135525471 is about 11641.5407485436. The cubic root of 135525471 is about 513.6575095308.

The spelling of 135525471 in words is "one hundred thirty-five million, five hundred twenty-five thousand, four hundred seventy-one".