134432565021 has 24 divisors (see below), whose sum is σ = 206209273920. Its totient is φ = 84153396096.

The previous prime is 134432565011. The next prime is 134432565049. The reversal of 134432565021 is 120565234431.

134432565021 is a `hidden beast` number, since 1 + 3 + 44 + 32 + 565 + 0 + 21 = 666.

It is not a de Polignac number, because 134432565021 - 2¹¹ = 134432562973 is a prime.

It is a super-2 number, since 2×134432565021² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134432565011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3459241 + ... + 3497886.

It is an arithmetic number, because the mean of its divisors is an integer number (8592053080).

Almost surely, 2^134432565021 is an apocalyptic number.

It is an amenable number.

134432565021 is a deficient number, since it is larger than the sum of its proper divisors (71776708899).

134432565021 is a wasteful number, since it uses less digits than its factorization.

134432565021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6957265 (or 6957262 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 134432565021 its reverse (120565234431), we get a palindrome (254997799452).

The spelling of 134432565021 in words is "one hundred thirty-four billion, four hundred thirty-two million, five hundred sixty-five thousand, twenty-one".