134000243202431 has 4 divisors (see below), whose sum is σ = 138322831692864. Its totient is φ = 129677654712000.

The previous prime is 134000243202323. The next prime is 134000243202473. The reversal of 134000243202431 is 134202342000431.

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

It is not a de Polignac number, because 134000243202431 - 2⁴² = 129602196691327 is a prime.

It is a super-2 number, since 2×134000243202431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134000243202394 and 134000243202403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134000243205431) 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, 2161294245170 + ... + 2161294245231.

It is an arithmetic number, because the mean of its divisors is an integer number (34580707923216).

Almost surely, 2^{134000243202431} is an apocalyptic number.

134000243202431 is a deficient number, since it is larger than the sum of its proper divisors (4322588490433).

134000243202431 is an equidigital number, since it uses as much as digits as its factorization.

134000243202431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322588490432.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 134000243202431 its reverse (134202342000431), we get a palindrome (268202585202862).

The spelling of 134000243202431 in words is "one hundred thirty-four trillion, two hundred forty-three million, two hundred two thousand, four hundred thirty-one".