134230026521 has 32 divisors (see below), whose sum is σ = 144596897280. Its totient is φ = 124163020800.

The previous prime is 134230026499. The next prime is 134230026559. The reversal of 134230026521 is 125620032431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 134230026521 - 2¹⁸ = 134229764377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134230026571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118892285 + ... + 118893413.

It is an arithmetic number, because the mean of its divisors is an integer number (4518653040).

Almost surely, 2^134230026521 is an apocalyptic number.

It is an amenable number.

134230026521 is a deficient number, since it is larger than the sum of its proper divisors (10366870759).

134230026521 is a wasteful number, since it uses less digits than its factorization.

134230026521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 134230026521 its reverse (125620032431), we get a palindrome (259850058952).

The spelling of 134230026521 in words is "one hundred thirty-four billion, two hundred thirty million, twenty-six thousand, five hundred twenty-one".