134420400143 has 4 divisors (see below), whose sum is σ = 136426674840. Its totient is φ = 132414125448.

The previous prime is 134420400139. The next prime is 134420400161. The reversal of 134420400143 is 341004024431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341004024431 = 7 ⋅48714860633.

It is a cyclic number.

It is not a de Polignac number, because 134420400143 - 2² = 134420400139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134420400113) 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, 1003137248 + ... + 1003137381.

It is an arithmetic number, because the mean of its divisors is an integer number (34106668710).

Almost surely, 2^134420400143 is an apocalyptic number.

134420400143 is a deficient number, since it is larger than the sum of its proper divisors (2006274697).

134420400143 is an equidigital number, since it uses as much as digits as its factorization.

134420400143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006274696.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 134420400143 its reverse (341004024431), we get a palindrome (475424424574).

The spelling of 134420400143 in words is "one hundred thirty-four billion, four hundred twenty million, four hundred thousand, one hundred forty-three".