135594164025 has 48 divisors (see below), whose sum is σ = 252166806720. Its totient is φ = 72316858320.

The previous prime is 135594163933. The next prime is 135594164033. The reversal of 135594164025 is 520461495531.

It is a happy number.

135594164025 is a `hidden beast` number, since 1 + 3 + 5 + 594 + 16 + 40 + 2 + 5 = 666.

It is not a de Polignac number, because 135594164025 - 2⁹ = 135594163513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1185327 + ... + 1294676.

It is an arithmetic number, because the mean of its divisors is an integer number (5253475140).

Almost surely, 2^135594164025 is an apocalyptic number.

135594164025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135594164025 is a deficient number, since it is larger than the sum of its proper divisors (116572642695).

135594164025 is an frugal number, since it uses more digits than its factorization.

135594164025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480034 (or 2480011 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 135594164025 in words is "one hundred thirty-five billion, five hundred ninety-four million, one hundred sixty-four thousand, twenty-five".