135440410250025 has 36 divisors (see below), whose sum is σ = 242759301303168. Its totient is φ = 72184122902880.

The previous prime is 135440410250017. The next prime is 135440410250029. The reversal of 135440410250025 is 520052014044531.

135440410250025 is a `hidden beast` number, since 1 + 3 + 5 + 4 + 40 + 4 + 102 + 500 + 2 + 5 = 666.

It is not a de Polignac number, because 135440410250025 - 2³ = 135440410250017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135440410250029) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 211189797 + ... + 211830146.

It is an arithmetic number, because the mean of its divisors is an integer number (6743313925088).

Almost surely, 2^{135440410250025} is an apocalyptic number.

135440410250025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135440410250025 is a deficient number, since it is larger than the sum of its proper divisors (107318891053143).

135440410250025 is a wasteful number, since it uses less digits than its factorization.

135440410250025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423021382 (or 423021374 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 135440410250025 its reverse (520052014044531), we get a palindrome (655492424294556).

The spelling of 135440410250025 in words is "one hundred thirty-five trillion, four hundred forty billion, four hundred ten million, two hundred fifty thousand, twenty-five".