134027021 has 4 divisors (see below), whose sum is σ = 134121600. Its totient is φ = 133932444.

The previous prime is 134026979. The next prime is 134027027. The reversal of 134027021 is 120720431.

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 a de Polignac number, because none of the positive numbers 2^k-134027021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134026984 and 134027002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134027027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45131 + ... + 48008.

It is an arithmetic number, because the mean of its divisors is an integer number (33530400).

Almost surely, 2^134027021 is an apocalyptic number.

It is an amenable number.

134027021 is a deficient number, since it is larger than the sum of its proper divisors (94579).

134027021 is an equidigital number, since it uses as much as digits as its factorization.

134027021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94578.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 134027021 is about 11577.0039733948. The cubic root of 134027021 is about 511.7573885661.

Adding to 134027021 its reverse (120720431), we get a palindrome (254747452).

The spelling of 134027021 in words is "one hundred thirty-four million, twenty-seven thousand, twenty-one".