134201143 has 4 divisors (see below), whose sum is σ = 134241480. Its totient is φ = 134160808.

The previous prime is 134201131. The next prime is 134201153. The reversal of 134201143 is 341102431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134201143 is a prime.

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 134201143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134201153) 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, 14680 + ... + 21997.

It is an arithmetic number, because the mean of its divisors is an integer number (33560370).

Almost surely, 2^134201143 is an apocalyptic number.

134201143 is a deficient number, since it is larger than the sum of its proper divisors (40337).

134201143 is an equidigital number, since it uses as much as digits as its factorization.

134201143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40336.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 134201143 is about 11584.5216992330. The cubic root of 134201143 is about 511.9789102133.

Adding to 134201143 its reverse (341102431), we get a palindrome (475303574).

The spelling of 134201143 in words is "one hundred thirty-four million, two hundred one thousand, one hundred forty-three".