134561643631025 has 48 divisors (see below), whose sum is σ = 191217730032000. Its totient is φ = 93053419176960.

The previous prime is 134561643631003. The next prime is 134561643631033. The reversal of 134561643631025 is 520136346165431.

It is not a de Polignac number, because 134561643631025 - 2¹⁴ = 134561643614641 is a prime.

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, 60094115 + ... + 62293064.

It is an arithmetic number, because the mean of its divisors is an integer number (3983702709000).

Almost surely, 2^{134561643631025} is an apocalyptic number.

It is an amenable number.

134561643631025 is a deficient number, since it is larger than the sum of its proper divisors (56656086400975).

134561643631025 is a wasteful number, since it uses less digits than its factorization.

134561643631025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122387418 (or 122387413 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 50.

Adding to 134561643631025 its reverse (520136346165431), we get a palindrome (654697989796456).

The spelling of 134561643631025 in words is "one hundred thirty-four trillion, five hundred sixty-one billion, six hundred forty-three million, six hundred thirty-one thousand, twenty-five".