138800963 has 8 divisors (see below), whose sum is σ = 158701920. Its totient is φ = 118918080.

The previous prime is 138800941. The next prime is 138800969. The reversal of 138800963 is 369008831.

138800963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 138800963 - 2⁸ = 138800707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138800969) 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, 23753 + ... + 29013.

It is an arithmetic number, because the mean of its divisors is an integer number (19837740).

Almost surely, 2^138800963 is an apocalyptic number.

138800963 is a deficient number, since it is larger than the sum of its proper divisors (19900957).

138800963 is an equidigital number, since it uses as much as digits as its factorization.

138800963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9037.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 138800963 is about 11781.3820496578. The cubic root of 138800963 is about 517.7627787845.

The spelling of 138800963 in words is "one hundred thirty-eight million, eight hundred thousand, nine hundred sixty-three".