134425241021 has 4 divisors (see below), whose sum is σ = 135230182752. Its totient is φ = 133620299292.

The previous prime is 134425240997. The next prime is 134425241033. The reversal of 134425241021 is 120142524431.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120142524431 = 246473 ⋅487447.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134425241021 is a prime.

It is a super-2 number, since 2×134425241021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134425241921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402470615 + ... + 402470948.

It is an arithmetic number, because the mean of its divisors is an integer number (33807545688).

Almost surely, 2^134425241021 is an apocalyptic number.

It is an amenable number.

134425241021 is a deficient number, since it is larger than the sum of its proper divisors (804941731).

134425241021 is an equidigital number, since it uses as much as digits as its factorization.

134425241021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804941730.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 134425241021 its reverse (120142524431), we get a palindrome (254567765452).

The spelling of 134425241021 in words is "one hundred thirty-four billion, four hundred twenty-five million, two hundred forty-one thousand, twenty-one".