134007081021 has 64 divisors (see below), whose sum is σ = 226102855680. Its totient is φ = 77647680000.

The previous prime is 134007081017. The next prime is 134007081053. The reversal of 134007081021 is 120180700431.

It is not a de Polignac number, because 134007081021 - 2² = 134007081017 is a prime.

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 (134007081001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20769846 + ... + 20776296.

It is an arithmetic number, because the mean of its divisors is an integer number (3532857120).

Almost surely, 2^134007081021 is an apocalyptic number.

134007081021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134007081021 is a deficient number, since it is larger than the sum of its proper divisors (92095774659).

134007081021 is a wasteful number, since it uses less digits than its factorization.

134007081021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9535 (or 9529 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

Adding to 134007081021 its reverse (120180700431), we get a palindrome (254187781452).

The spelling of 134007081021 in words is "one hundred thirty-four billion, seven million, eighty-one thousand, twenty-one".