135030025 has 12 divisors (see below), whose sum is σ = 180317452. Its totient is φ = 99714240.

The previous prime is 135030023. The next prime is 135030029. The reversal of 135030025 is 520030531.

It can be written as a sum of positive squares in 6 ways, for example, as 35569296 + 99460729 = 5964^2 + 9973^2 .

It is not a de Polignac number, because 135030025 - 2¹ = 135030023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135029984 and 135030011.

It is not an unprimeable number, because it can be changed into a prime (135030023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207414 + ... + 208063.

Almost surely, 2^135030025 is an apocalyptic number.

It is an amenable number.

135030025 is a deficient number, since it is larger than the sum of its proper divisors (45287427).

135030025 is a wasteful number, since it uses less digits than its factorization.

135030025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415500 (or 415495 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 135030025 is about 11620.2420370662. The cubic root of 135030025 is about 513.0308123156.

Adding to 135030025 its reverse (520030531), we get a palindrome (655060556).

It can be divided in two parts, 1350 and 30025, that added together give a triangular number (31375 = T₂₅₀).

The spelling of 135030025 in words is "one hundred thirty-five million, thirty thousand, twenty-five".