1001002112139 has 8 divisors (see below), whose sum is σ = 1335713013760. Its totient is φ = 666812975976.

The previous prime is 1001002112137. The next prime is 1001002112161. The reversal of 1001002112139 is 9312112001001.

It is a happy number.

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

It is not a de Polignac number, because 1001002112139 - 2¹ = 1001002112137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001002112137) 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, 130436887 + ... + 130444560.

It is an arithmetic number, because the mean of its divisors is an integer number (166964126720).

Almost surely, 2^{1001002112139} is an apocalyptic number.

1001002112139 is a deficient number, since it is larger than the sum of its proper divisors (334710901621).

1001002112139 is a wasteful number, since it uses less digits than its factorization.

1001002112139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260882729.

The product of its (nonzero) digits is 108, while the sum is 21.

The spelling of 1001002112139 in words is "one trillion, one billion, two million, one hundred twelve thousand, one hundred thirty-nine".