134240343042431 has 4 divisors (see below), whose sum is σ = 134286363046392. Its totient is φ = 134194323038472.

The previous prime is 134240343042401. The next prime is 134240343042433.

134240343042431 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 134240343042431 - 2⁴⁶ = 63871598864767 is a prime.

It is a super-2 number, since 2×134240343042431² (a number of 29 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 (134240343042433) 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, 23009997605 + ... + 23010003438.

It is an arithmetic number, because the mean of its divisors is an integer number (33571590761598).

Almost surely, 2^{134240343042431} is an apocalyptic number.

134240343042431 is a deficient number, since it is larger than the sum of its proper divisors (46020003961).

134240343042431 is an equidigital number, since it uses as much as digits as its factorization.

134240343042431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46020003960.

The product of its (nonzero) digits is 331776, while the sum is 38.

The spelling of 134240343042431 in words is "one hundred thirty-four trillion, two hundred forty billion, three hundred forty-three million, forty-two thousand, four hundred thirty-one".