1273406135089 has 8 divisors (see below), whose sum is σ = 1462284557280. Its totient is φ = 1096713417600.

The previous prime is 1273406135077. The next prime is 1273406135093. The reversal of 1273406135089 is 9805316043721.

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 1273406135089 - 2⁹ = 1273406134577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1273406136089) 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, 3046425952 + ... + 3046426369.

It is an arithmetic number, because the mean of its divisors is an integer number (182785569660).

It is a 1-persistent number, because it is pandigital, but 2⋅1273406135089 = 2546812270178 is not.

Almost surely, 2^{1273406135089} is an apocalyptic number.

1273406135089 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1273406135089 is a deficient number, since it is larger than the sum of its proper divisors (188878422191).

1273406135089 is a wasteful number, since it uses less digits than its factorization.

1273406135089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6092852351.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 1273406135089 in words is "one trillion, two hundred seventy-three billion, four hundred six million, one hundred thirty-five thousand, eighty-nine".