143939727361 has 8 divisors (see below), whose sum is σ = 145293047424. Its totient is φ = 142587802560.

The previous prime is 143939727353. The next prime is 143939727367. The reversal of 143939727361 is 163727939341.

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 143939727361 - 2³ = 143939727353 is a prime.

It is a super-2 number, since 2×143939727361² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143939727367) 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, 140941 + ... + 554746.

It is an arithmetic number, because the mean of its divisors is an integer number (18161630928).

Almost surely, 2^143939727361 is an apocalyptic number.

It is an amenable number.

143939727361 is a deficient number, since it is larger than the sum of its proper divisors (1353320063).

143939727361 is a wasteful number, since it uses less digits than its factorization.

143939727361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697631.

The product of its digits is 5143824, while the sum is 55.

The spelling of 143939727361 in words is "one hundred forty-three billion, nine hundred thirty-nine million, seven hundred twenty-seven thousand, three hundred sixty-one".