138073863132737 has 32 divisors (see below), whose sum is σ = 162990610145280. Its totient is φ = 114459880268160.

The previous prime is 138073863132671. The next prime is 138073863132743. The reversal of 138073863132737 is 737231368370831.

It is a happy number.

It is not a de Polignac number, because 138073863132737 - 2⁸ = 138073863132481 is a prime.

It is a super-2 number, since 2×138073863132737² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138073863132737.

It is not an unprimeable number, because it can be changed into a prime (138073863132137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2423893418 + ... + 2423950380.

It is an arithmetic number, because the mean of its divisors is an integer number (5093456567040).

Almost surely, 2^{138073863132737} is an apocalyptic number.

It is an amenable number.

138073863132737 is a deficient number, since it is larger than the sum of its proper divisors (24916747012543).

138073863132737 is a wasteful number, since it uses less digits than its factorization.

138073863132737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63773.

The product of its (nonzero) digits is 64012032, while the sum is 62.

The spelling of 138073863132737 in words is "one hundred thirty-eight trillion, seventy-three billion, eight hundred sixty-three million, one hundred thirty-two thousand, seven hundred thirty-seven".