135267013225 has 6 divisors (see below), whose sum is σ = 167731096430. Its totient is φ = 108213610560.

The previous prime is 135267013213. The next prime is 135267013237. The reversal of 135267013225 is 522310762531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (135267013213) and next prime (135267013237).

It can be written as a sum of positive squares in 3 ways, for example, as 41867707456 + 93399305769 = 204616^2 + 305613^2 .

It is a de Polignac number, because none of the positive numbers 2^k-135267013225 is a prime.

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, 2705340240 + ... + 2705340289.

Almost surely, 2^135267013225 is an apocalyptic number.

It is an amenable number.

135267013225 is a deficient number, since it is larger than the sum of its proper divisors (32464083205).

135267013225 is an equidigital number, since it uses as much as digits as its factorization.

135267013225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410680539 (or 5410680534 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

Adding to 135267013225 its reverse (522310762531), we get a palindrome (657577775756).

The spelling of 135267013225 in words is "one hundred thirty-five billion, two hundred sixty-seven million, thirteen thousand, two hundred twenty-five".