138483318237 has 8 divisors (see below), whose sum is σ = 201430281120. Its totient is φ = 83929283760.

The previous prime is 138483318227. The next prime is 138483318247. The reversal of 138483318237 is 732813384831.

It is an interprime number because it is at equal distance from previous prime (138483318227) and next prime (138483318247).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 138483318237 - 2²⁴ = 138466541021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 138483318237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138483318227) 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, 2098232062 + ... + 2098232127.

It is an arithmetic number, because the mean of its divisors is an integer number (25178785140).

Almost surely, 2^138483318237 is an apocalyptic number.

It is an amenable number.

138483318237 is a deficient number, since it is larger than the sum of its proper divisors (62946962883).

138483318237 is a wasteful number, since it uses less digits than its factorization.

138483318237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196464203.

The product of its digits is 2322432, while the sum is 51.

The spelling of 138483318237 in words is "one hundred thirty-eight billion, four hundred eighty-three million, three hundred eighteen thousand, two hundred thirty-seven".