142721405743347 has 12 divisors (see below), whose sum is σ = 206182971431424. Its totient is φ = 95133836227920.

The previous prime is 142721405743289. The next prime is 142721405743369. The reversal of 142721405743347 is 743347504127241.

142721405743347 is a `hidden beast` number, since 1 + 4 + 2 + 7 + 21 + 4 + 0 + 574 + 3 + 3 + 47 = 666.

It is not a de Polignac number, because 142721405743347 - 2¹⁰ = 142721405742323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142721405743293 and 142721405743302.

It is not an unprimeable number, because it can be changed into a prime (142721405783347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1147234428 + ... + 1147358825.

It is an arithmetic number, because the mean of its divisors is an integer number (17181914285952).

Almost surely, 2^{142721405743347} is an apocalyptic number.

142721405743347 is a deficient number, since it is larger than the sum of its proper divisors (63461565688077).

142721405743347 is a wasteful number, since it uses less digits than its factorization.

142721405743347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294600170 (or 2294600167 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 54.

The spelling of 142721405743347 in words is "one hundred forty-two trillion, seven hundred twenty-one billion, four hundred five million, seven hundred forty-three thousand, three hundred forty-seven".