138452036885830 has 8 divisors (see below), whose sum is σ = 249213666394512. Its totient is φ = 55380814754328.

The previous prime is 138452036885819. The next prime is 138452036885923. The reversal of 138452036885830 is 38588630254831.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6922601844282 + ... + 6922601844301.

It is an arithmetic number, because the mean of its divisors is an integer number (31151708299314).

Almost surely, 2^{138452036885830} is an apocalyptic number.

138452036885830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138452036885830 is a deficient number, since it is larger than the sum of its proper divisors (110761629508682).

138452036885830 is a wasteful number, since it uses less digits than its factorization.

138452036885830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13845203688590.

The product of its (nonzero) digits is 132710400, while the sum is 64.

The spelling of 138452036885830 in words is "one hundred thirty-eight trillion, four hundred fifty-two billion, thirty-six million, eight hundred eighty-five thousand, eight hundred thirty".