138963903234 has 32 divisors (see below), whose sum is σ = 299832986880. Its totient is φ = 42682964352.

The previous prime is 138963903209. The next prime is 138963903259. The reversal of 138963903234 is 432309369831.

It is a happy number.

138963903234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (138963903209) and next prime (138963903259).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1521162 + ... + 1609925.

It is an arithmetic number, because the mean of its divisors is an integer number (9369780840).

Almost surely, 2^138963903234 is an apocalyptic number.

138963903234 is an abundant number, since it is smaller than the sum of its proper divisors (160869083646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138963903234 is a wasteful number, since it uses less digits than its factorization.

138963903234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131674.

The product of its (nonzero) digits is 2519424, while the sum is 51.

The spelling of 138963903234 in words is "one hundred thirty-eight billion, nine hundred sixty-three million, nine hundred three thousand, two hundred thirty-four".