1273899091139 has 8 divisors (see below), whose sum is σ = 1318782225408. Its totient is φ = 1229252807880.

The previous prime is 1273899091111. The next prime is 1273899091151. The reversal of 1273899091139 is 9311909983721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1273899091139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1273899091639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59201807 + ... + 59223320.

It is an arithmetic number, because the mean of its divisors is an integer number (164847778176).

Almost surely, 2^{1273899091139} is an apocalyptic number.

1273899091139 is a deficient number, since it is larger than the sum of its proper divisors (44883134269).

1273899091139 is a wasteful number, since it uses less digits than its factorization.

1273899091139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118425505.

The product of its (nonzero) digits is 6613488, while the sum is 62.

The spelling of 1273899091139 in words is "one trillion, two hundred seventy-three billion, eight hundred ninety-nine million, ninety-one thousand, one hundred thirty-nine".