1393129681209 has 48 divisors (see below), whose sum is σ = 2486859867648. Its totient is φ = 733304779776.

The previous prime is 1393129681183. The next prime is 1393129681217. The reversal of 1393129681209 is 9021869213931.

1393129681209 is a `hidden beast` number, since 1 + 39 + 312 + 96 + 8 + 1 + 209 = 666.

It is not a de Polignac number, because 1393129681209 - 2¹⁶ = 1393129615673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1393129689209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13787692 + ... + 13888365.

It is an arithmetic number, because the mean of its divisors is an integer number (51809580576).

Almost surely, 2^{1393129681209} is an apocalyptic number.

It is an amenable number.

1393129681209 is a deficient number, since it is larger than the sum of its proper divisors (1093730186439).

1393129681209 is a wasteful number, since it uses less digits than its factorization.

1393129681209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27676134 (or 27676131 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 1393129681209 in words is "one trillion, three hundred ninety-three billion, one hundred twenty-nine million, six hundred eighty-one thousand, two hundred nine".