135452025 has 72 divisors (see below), whose sum is σ = 251858880. Its totient is φ = 69552000.

The previous prime is 135452003. The next prime is 135452029. The reversal of 135452025 is 520254531.

It is a happy number.

135452025 is a `hidden beast` number, since 135 + 4 + 520 + 2 + 5 = 666.

It is not a de Polignac number, because 135452025 - 2⁸ = 135451769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135452025.

It is not an unprimeable number, because it can be changed into a prime (135452029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 974406 + ... + 974544.

It is an arithmetic number, because the mean of its divisors is an integer number (3498040).

Almost surely, 2^135452025 is an apocalyptic number.

135452025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135452025 is a deficient number, since it is larger than the sum of its proper divisors (116406855).

135452025 is a wasteful number, since it uses less digits than its factorization.

135452025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 135452025 is about 11638.3858416878. The cubic root of 135452025 is about 513.5647030981.

The spelling of 135452025 in words is "one hundred thirty-five million, four hundred fifty-two thousand, twenty-five".