1238144536093 has 8 divisors (see below), whose sum is σ = 1250601357240. Its totient is φ = 1225691596800.

The previous prime is 1238144536073. The next prime is 1238144536103. The reversal of 1238144536093 is 3906354418321.

It can be written as a sum of positive squares in 4 ways, for example, as 420997238649 + 817147297444 = 648843^2 + 903962^2 .

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-1238144536093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238144536063) 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, 327208 + ... + 1607281.

It is an arithmetic number, because the mean of its divisors is an integer number (156325169655).

Almost surely, 2^{1238144536093} is an apocalyptic number.

It is an amenable number.

1238144536093 is a deficient number, since it is larger than the sum of its proper divisors (12456821147).

1238144536093 is a wasteful number, since it uses less digits than its factorization.

1238144536093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940927.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 1238144536093 in words is "one trillion, two hundred thirty-eight billion, one hundred forty-four million, five hundred thirty-six thousand, ninety-three".