134120121021431 has 4 divisors (see below), whose sum is σ = 134128611264552. Its totient is φ = 134111630778312.

The previous prime is 134120121021409. The next prime is 134120121021433.

It is a happy number.

134120121021431 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134120121021431 - 2¹⁰ = 134120121020407 is a prime.

It is a super-2 number, since 2×134120121021431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134120121021431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134120121021433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4245097865 + ... + 4245129458.

It is an arithmetic number, because the mean of its divisors is an integer number (33532152816138).

Almost surely, 2^{134120121021431} is an apocalyptic number.

134120121021431 is a deficient number, since it is larger than the sum of its proper divisors (8490243121).

134120121021431 is an equidigital number, since it uses as much as digits as its factorization.

134120121021431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8490243120.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 134120121021431 in words is "one hundred thirty-four trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, four hundred thirty-one".