134042322021021 has 20 divisors (see below), whose sum is σ = 200237479745952. Its totient is φ = 89360914984488.

The previous prime is 134042322021011. The next prime is 134042322021109. The reversal of 134042322021021 is 120120223240431.

134042322021021 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 423 + 2 + 2 + 0 + 210 + 21 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-134042322021021 is a prime.

It is a super-4 number, since 4×134042322021021⁴ (a number of 58 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134042322021011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5785536 + ... + 17365398.

Almost surely, 2^{134042322021021} is an apocalyptic number.

It is an amenable number.

134042322021021 is a deficient number, since it is larger than the sum of its proper divisors (66195157724931).

134042322021021 is a wasteful number, since it uses less digits than its factorization.

134042322021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11722782 (or 11722773 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 134042322021021 its reverse (120120223240431), we get a palindrome (254162545261452).

The spelling of 134042322021021 in words is "one hundred thirty-four trillion, forty-two billion, three hundred twenty-two million, twenty-one thousand, twenty-one".