143640253564136 has 32 divisors (see below), whose sum is σ = 321183175674240. Its totient is φ = 58883582205888.

The previous prime is 143640253564133. The next prime is 143640253564141. The reversal of 143640253564136 is 631465352046341.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (143640253564133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55760966711 + ... + 55760969286.

It is an arithmetic number, because the mean of its divisors is an integer number (10036974239820).

Almost surely, 2^{143640253564136} is an apocalyptic number.

It is an amenable number.

143640253564136 is an abundant number, since it is smaller than the sum of its proper divisors (177542922110104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143640253564136 is a wasteful number, since it uses less digits than its factorization.

143640253564136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111521936033 (or 111521936029 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 53.

The spelling of 143640253564136 in words is "one hundred forty-three trillion, six hundred forty billion, two hundred fifty-three million, five hundred sixty-four thousand, one hundred thirty-six".