138963925033 has 8 divisors (see below), whose sum is σ = 139196648448. Its totient is φ = 138731263824.

The previous prime is 138963924947. The next prime is 138963925039. The reversal of 138963925033 is 330529369831.

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

It is a cyclic number.

It is not a de Polignac number, because 138963925033 - 2⁹ = 138963924521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138963925039) 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, 7086360 + ... + 7105942.

It is an arithmetic number, because the mean of its divisors is an integer number (17399581056).

Almost surely, 2^138963925033 is an apocalyptic number.

It is an amenable number.

138963925033 is a deficient number, since it is larger than the sum of its proper divisors (232723415).

138963925033 is a wasteful number, since it uses less digits than its factorization.

138963925033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31103.

The product of its (nonzero) digits is 3149280, while the sum is 52.

The spelling of 138963925033 in words is "one hundred thirty-eight billion, nine hundred sixty-three million, nine hundred twenty-five thousand, thirty-three".