135104029225 has 81 divisors (see below), whose sum is σ = 189909333957. Its totient is φ = 95272848000.

The previous prime is 135104029219. The next prime is 135104029243. The reversal of 135104029225 is 522920401531.

The square root of 135104029225 is 367565.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 56867463961 + 78236565264 = 238469^2 + 279708^2 .

It is not a de Polignac number, because 135104029225 - 2³¹ = 132956545577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 828858994 + ... + 828859156.

Almost surely, 2^135104029225 is an apocalyptic number.

135104029225 is the 367565-th square number.

135104029225 is the 183783-rd centered octagonal number.

It is an amenable number.

135104029225 is a deficient number, since it is larger than the sum of its proper divisors (54805304732).

135104029225 is an equidigital number, since it uses as much as digits as its factorization.

135104029225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 135104029225 in words is "one hundred thirty-five billion, one hundred four million, twenty-nine thousand, two hundred twenty-five".