135200425 has 6 divisors (see below), whose sum is σ = 167648558. Its totient is φ = 108160320.

The previous prime is 135200419. The next prime is 135200431. The reversal of 135200425 is 524002531.

It is an interprime number because it is at equal distance from previous prime (135200419) and next prime (135200431).

It can be written as a sum of positive squares in 3 ways, for example, as 17239104 + 117961321 = 4152^2 + 10861^2 .

It is not a de Polignac number, because 135200425 - 2²⁷ = 982697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135200396 and 135200405.

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, 2703984 + ... + 2704033.

Almost surely, 2^135200425 is an apocalyptic number.

It is an amenable number.

135200425 is a deficient number, since it is larger than the sum of its proper divisors (32448133).

135200425 is an equidigital number, since it uses as much as digits as its factorization.

135200425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408027 (or 5408022 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 135200425 is about 11627.5717585401. The cubic root of 135200425 is about 513.2465265688.

Adding to 135200425 its reverse (524002531), we get a palindrome (659202956).

The spelling of 135200425 in words is "one hundred thirty-five million, two hundred thousand, four hundred twenty-five".