135425436 has 12 divisors (see below), whose sum is σ = 315992712. Its totient is φ = 45141808.

The previous prime is 135425431. The next prime is 135425491. The reversal of 135425436 is 634524531.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 135425397 and 135425406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135425431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5642715 + ... + 5642738.

It is an arithmetic number, because the mean of its divisors is an integer number (26332726).

Almost surely, 2^135425436 is an apocalyptic number.

It is an amenable number.

135425436 is an abundant number, since it is smaller than the sum of its proper divisors (180567276).

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

135425436 is a wasteful number, since it uses less digits than its factorization.

135425436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11285460 (or 11285458 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 135425436 is about 11637.2434880430. The cubic root of 135425436 is about 513.5310969425.

Adding to 135425436 its reverse (634524531), we get a palindrome (769949967).

The spelling of 135425436 in words is "one hundred thirty-five million, four hundred twenty-five thousand, four hundred thirty-six".