135351025 has 12 divisors (see below), whose sum is σ = 177708492. Its totient is φ = 101911040.

The previous prime is 135351001. The next prime is 135351071. The reversal of 135351025 is 520153531.

It can be written as a sum of positive squares in 6 ways, for example, as 24336 + 135326689 = 156^2 + 11633^2 .

It is not a de Polignac number, because 135351025 - 2⁵ = 135350993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158812 + ... + 159661.

It is an arithmetic number, because the mean of its divisors is an integer number (14809041).

Almost surely, 2^135351025 is an apocalyptic number.

It is an amenable number.

135351025 is a deficient number, since it is larger than the sum of its proper divisors (42357467).

135351025 is a wasteful number, since it uses less digits than its factorization.

135351025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318500 (or 318495 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 135351025 is about 11634.0459428352. The cubic root of 135351025 is about 513.4370246016.

The spelling of 135351025 in words is "one hundred thirty-five million, three hundred fifty-one thousand, twenty-five".