1002730139566 has 8 divisors (see below), whose sum is σ = 1505289887640. Its totient is φ = 500966843688.

The previous prime is 1002730139539. The next prime is 1002730139651. The reversal of 1002730139566 is 6659310372001.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199109901 + ... + 199114936.

It is an arithmetic number, because the mean of its divisors is an integer number (188161235955).

Almost surely, 2^{1002730139566} is an apocalyptic number.

1002730139566 is a deficient number, since it is larger than the sum of its proper divisors (502559748074).

1002730139566 is a wasteful number, since it uses less digits than its factorization.

1002730139566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398226098.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 1002730139566 in words is "one trillion, two billion, seven hundred thirty million, one hundred thirty-nine thousand, five hundred sixty-six".