134240311021 has 8 divisors (see below), whose sum is σ = 137850107904. Its totient is φ = 130670401680.

The previous prime is 134240311001. The next prime is 134240311063. The reversal of 134240311021 is 120113042431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134240311021 - 2³⁵ = 99880572653 is a prime.

It is a super-2 number, since 2×134240311021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134240310983 and 134240311001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134240311001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9965065 + ... + 9978526.

It is an arithmetic number, because the mean of its divisors is an integer number (17231263488).

Almost surely, 2^134240311021 is an apocalyptic number.

It is an amenable number.

134240311021 is a deficient number, since it is larger than the sum of its proper divisors (3609796883).

134240311021 is a wasteful number, since it uses less digits than its factorization.

134240311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19943771.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 134240311021 its reverse (120113042431), we get a palindrome (254353353452).

The spelling of 134240311021 in words is "one hundred thirty-four billion, two hundred forty million, three hundred eleven thousand, twenty-one".