138842028167051 has 8 divisors (see below), whose sum is σ = 151620018412608. Its totient is φ = 126090035869000.

The previous prime is 138842028167033. The next prime is 138842028167159. The reversal of 138842028167051 is 150761820248831.

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 not a de Polignac number, because 138842028167051 - 2¹⁴ = 138842028150667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138842028167021) 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, 6499475705 + ... + 6499497066.

It is an arithmetic number, because the mean of its divisors is an integer number (18952502301576).

Almost surely, 2^{138842028167051} is an apocalyptic number.

138842028167051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

138842028167051 is a deficient number, since it is larger than the sum of its proper divisors (12777990245557).

138842028167051 is a wasteful number, since it uses less digits than its factorization.

138842028167051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12998973753.

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 138842028167051 in words is "one hundred thirty-eight trillion, eight hundred forty-two billion, twenty-eight million, one hundred sixty-seven thousand, fifty-one".