135022025 has 6 divisors (see below), whose sum is σ = 167427342. Its totient is φ = 108017600.

The previous prime is 135022001. The next prime is 135022033. The reversal of 135022025 is 520220531.

It can be written as a sum of positive squares in 3 ways, for example, as 9223369 + 125798656 = 3037^2 + 11216^2 .

It is not a de Polignac number, because 135022025 - 2¹² = 135017929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 135021988 and 135022006.

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, 2700416 + ... + 2700465.

It is an arithmetic number, because the mean of its divisors is an integer number (27904557).

Almost surely, 2^135022025 is an apocalyptic number.

It is an amenable number.

135022025 is a deficient number, since it is larger than the sum of its proper divisors (32405317).

135022025 is an equidigital number, since it uses as much as digits as its factorization.

135022025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400891 (or 5400886 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 135022025 is about 11619.8978050584. The cubic root of 135022025 is about 513.0206804269.

Adding to 135022025 its reverse (520220531), we get a palindrome (655242556).

The spelling of 135022025 in words is "one hundred thirty-five million, twenty-two thousand, twenty-five".