134041021 has 4 divisors (see below), whose sum is σ = 134079712. Its totient is φ = 134002332.

The previous prime is 134040997. The next prime is 134041043. The reversal of 134041021 is 120140431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134041021 - 2⁵ = 134040989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134040986 and 134041004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134041051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13575 + ... + 21268.

It is an arithmetic number, because the mean of its divisors is an integer number (33519928).

Almost surely, 2^134041021 is an apocalyptic number.

It is an amenable number.

134041021 is a deficient number, since it is larger than the sum of its proper divisors (38691).

134041021 is an equidigital number, since it uses as much as digits as its factorization.

134041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38690.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 134041021 is about 11577.6086045435. The cubic root of 134041021 is about 511.7752067492.

Adding to 134041021 its reverse (120140431), we get a palindrome (254181452).

It can be divided in two parts, 1340410 and 21, that added together give a palindrome (1340431).

The spelling of 134041021 in words is "one hundred thirty-four million, forty-one thousand, twenty-one".