139054378851361 has 8 divisors (see below), whose sum is σ = 139105799275680. Its totient is φ = 139002967184928.

The previous prime is 139054378851301. The next prime is 139054378851379. The reversal of 139054378851361 is 163158873450931.

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 139054378851361 - 2¹¹ = 139054378849313 is a prime.

It is a super-2 number, since 2×139054378851361² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139054378851293 and 139054378851302.

It is not an unprimeable number, because it can be changed into a prime (139054378851301) 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, 29657205 + ... + 34024381.

It is an arithmetic number, because the mean of its divisors is an integer number (17388224909460).

Almost surely, 2^{139054378851361} is an apocalyptic number.

It is an amenable number.

139054378851361 is a deficient number, since it is larger than the sum of its proper divisors (51420424319).

139054378851361 is an equidigital number, since it uses as much as digits as its factorization.

139054378851361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378943.

The product of its (nonzero) digits is 65318400, while the sum is 64.

The spelling of 139054378851361 in words is "one hundred thirty-nine trillion, fifty-four billion, three hundred seventy-eight million, eight hundred fifty-one thousand, three hundred sixty-one".