135425971 has 8 divisors (see below), whose sum is σ = 138484080. Its totient is φ = 132386592.

The previous prime is 135425933. The next prime is 135425999. The reversal of 135425971 is 179524531.

135425971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 135425971 - 2¹¹ = 135423923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135425971.

It is not an unprimeable number, because it can be changed into a prime (135425921) 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, 10485 + ... + 19513.

It is an arithmetic number, because the mean of its divisors is an integer number (17310510).

Almost surely, 2^135425971 is an apocalyptic number.

135425971 is a deficient number, since it is larger than the sum of its proper divisors (3058109).

135425971 is an equidigital number, since it uses as much as digits as its factorization.

135425971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9365.

The product of its digits is 37800, while the sum is 37.

The square root of 135425971 is about 11637.2664745635. The cubic root of 135425971 is about 513.5317731787.

The spelling of 135425971 in words is "one hundred thirty-five million, four hundred twenty-five thousand, nine hundred seventy-one".