138195631503359 has 8 divisors (see below), whose sum is σ = 138815708664192. Its totient is φ = 137575557609120.

The previous prime is 138195631503283. The next prime is 138195631503427. The reversal of 138195631503359 is 953305136591831.

It is a happy number.

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-138195631503359 is a prime.

It is a super-2 number, since 2×138195631503359² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138195631403359) 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, 133214849 + ... + 134248229.

It is an arithmetic number, because the mean of its divisors is an integer number (17351963583024).

Almost surely, 2^{138195631503359} is an apocalyptic number.

138195631503359 is a deficient number, since it is larger than the sum of its proper divisors (620077160833).

138195631503359 is a wasteful number, since it uses less digits than its factorization.

138195631503359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633297.

The product of its (nonzero) digits is 39366000, while the sum is 62.

The spelling of 138195631503359 in words is "one hundred thirty-eight trillion, one hundred ninety-five billion, six hundred thirty-one million, five hundred three thousand, three hundred fifty-nine".