143134163641621 has 8 divisors (see below), whose sum is σ = 147016356389720. Its totient is φ = 139252692043008.

The previous prime is 143134163641571. The next prime is 143134163641627. The reversal of 143134163641621 is 126146361431341.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 107744919000625 + 35389244640996 = 10380025^2 + 5948886^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143134163641621 - 2¹¹ = 143134163639573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143134163641627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179885016 + ... + 180678961.

It is an arithmetic number, because the mean of its divisors is an integer number (18377044548715).

Almost surely, 2^{143134163641621} is an apocalyptic number.

It is an amenable number.

143134163641621 is a deficient number, since it is larger than the sum of its proper divisors (3882192748099).

143134163641621 is a wasteful number, since it uses less digits than its factorization.

143134163641621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360574743.

The product of its digits is 746496, while the sum is 46.

The spelling of 143134163641621 in words is "one hundred forty-three trillion, one hundred thirty-four billion, one hundred sixty-three million, six hundred forty-one thousand, six hundred twenty-one".