135425706 has 128 divisors (see below), whose sum is σ = 329204736. Its totient is φ = 36741120.

The previous prime is 135425699. The next prime is 135425707. The reversal of 135425706 is 607524531.

It is not an unprimeable number, because it can be changed into a prime (135425707) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2555176 + ... + 2555228.

It is an arithmetic number, because the mean of its divisors is an integer number (2571912).

Almost surely, 2^135425706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135425706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164602368).

135425706 is an abundant number, since it is smaller than the sum of its proper divisors (193779030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135425706 is a wasteful number, since it uses less digits than its factorization.

135425706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 135425706 is about 11637.2550887226. The cubic root of 135425706 is about 513.5314382208.

The spelling of 135425706 in words is "one hundred thirty-five million, four hundred twenty-five thousand, seven hundred six".