138271356851037 has 4 divisors (see below), whose sum is σ = 184361809134720. Its totient is φ = 92180904567356.

The previous prime is 138271356851029. The next prime is 138271356851039. The reversal of 138271356851037 is 730158653172831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 138271356851037 - 2³ = 138271356851029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138271356851039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23045226141837 + ... + 23045226141842.

It is an arithmetic number, because the mean of its divisors is an integer number (46090452283680).

Almost surely, 2^{138271356851037} is an apocalyptic number.

It is an amenable number.

138271356851037 is a deficient number, since it is larger than the sum of its proper divisors (46090452283683).

138271356851037 is an equidigital number, since it uses as much as digits as its factorization.

138271356851037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46090452283682.

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 138271356851037 in words is "one hundred thirty-eight trillion, two hundred seventy-one billion, three hundred fifty-six million, eight hundred fifty-one thousand, thirty-seven".