135386425 has 6 divisors (see below), whose sum is σ = 167879198. Its totient is φ = 108309120.

The previous prime is 135386411. The next prime is 135386467. The reversal of 135386425 is 524683531.

It can be written as a sum of positive squares in 3 ways, for example, as 2399401 + 132987024 = 1549^2 + 11532^2 .

It is not a de Polignac number, because 135386425 - 2²³ = 126997817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2707704 + ... + 2707753.

Almost surely, 2^135386425 is an apocalyptic number.

It is an amenable number.

135386425 is a deficient number, since it is larger than the sum of its proper divisors (32492773).

135386425 is an equidigital number, since it uses as much as digits as its factorization.

135386425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415467 (or 5415462 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 135386425 is about 11635.5672401478. The cubic root of 135386425 is about 513.4817825100.

It can be divided in two parts, 1353 and 86425, that added together give a palindrome (87778).

The spelling of 135386425 in words is "one hundred thirty-five million, three hundred eighty-six thousand, four hundred twenty-five".