134432340120261 has 48 divisors (see below), whose sum is σ = 207259031528640. Its totient is φ = 83717720812800.

The previous prime is 134432340120259. The next prime is 134432340120277. The reversal of 134432340120261 is 162021043234431.

134432340120261 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 32 + 340 + 1 + 20 + 261 = 666.

It is not a de Polignac number, because 134432340120261 - 2¹ = 134432340120259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134432340120241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42371686 + ... + 45433736.

It is an arithmetic number, because the mean of its divisors is an integer number (4317896490180).

Almost surely, 2^{134432340120261} is an apocalyptic number.

It is an amenable number.

134432340120261 is a deficient number, since it is larger than the sum of its proper divisors (72826691408379).

134432340120261 is a wasteful number, since it uses less digits than its factorization.

134432340120261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065666 (or 3065663 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 134432340120261 its reverse (162021043234431), we get a palindrome (296453383354692).

The spelling of 134432340120261 in words is "one hundred thirty-four trillion, four hundred thirty-two billion, three hundred forty million, one hundred twenty thousand, two hundred sixty-one".