134211230223021 has 144 divisors (see below), whose sum is σ = 239707366464384. Its totient is φ = 71899839019008.

The previous prime is 134211230223017. The next prime is 134211230223097. The reversal of 134211230223021 is 120322032112431.

134211230223021 is a `hidden beast` number, since 1 + 3 + 42 + 1 + 12 + 302 + 2 + 302 + 1 = 666.

It is not a de Polignac number, because 134211230223021 - 2² = 134211230223017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134211230223001) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3479930680 + ... + 3479969246.

It is an arithmetic number, because the mean of its divisors is an integer number (1664634489336).

Almost surely, 2^{134211230223021} is an apocalyptic number.

It is an amenable number.

134211230223021 is a deficient number, since it is larger than the sum of its proper divisors (105496136241363).

134211230223021 is a wasteful number, since it uses less digits than its factorization.

134211230223021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40400 (or 40390 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 134211230223021 its reverse (120322032112431), we get a palindrome (254533262335452).

The spelling of 134211230223021 in words is "one hundred thirty-four trillion, two hundred eleven billion, two hundred thirty million, two hundred twenty-three thousand, twenty-one".