143134354025221 has 16 divisors (see below), whose sum is σ = 162262890731200. Its totient is φ = 125166016723968.

The previous prime is 143134354025219. The next prime is 143134354025239. The reversal of 143134354025221 is 122520453431341.

It is a cyclic number.

It is not a de Polignac number, because 143134354025221 - 2¹ = 143134354025219 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 (143134354025281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1950171 + ... + 17031496.

It is an arithmetic number, because the mean of its divisors is an integer number (10141430670700).

Almost surely, 2^{143134354025221} is an apocalyptic number.

It is an amenable number.

143134354025221 is a deficient number, since it is larger than the sum of its proper divisors (19128536705979).

143134354025221 is a wasteful number, since it uses less digits than its factorization.

143134354025221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19012228.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 143134354025221 in words is "one hundred forty-three trillion, one hundred thirty-four billion, three hundred fifty-four million, twenty-five thousand, two hundred twenty-one".