139356466744356 has 243 divisors, whose sum is σ = 371645442698257. Its totient is φ = 44025793056960.

The previous prime is 139356466744351. The next prime is 139356466744381. The reversal of 139356466744356 is 653447664653931.

The square root of 139356466744356 is 11804934.

It is a perfect power (a square), and thus also a powerful number.

139356466744356 is a `hidden beast` number, since 1 + 3 + 9 + 3 + 5 + 6 + 466 + 74 + 43 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32428127484900 + 106928339259456 = 5694570^2 + 10340616^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139356466744351) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 213409596526 + ... + 213409597178.

Almost surely, 2^{139356466744356} is an apocalyptic number.

139356466744356 is the 11804934-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139356466744356

139356466744356 is an abundant number, since it is smaller than the sum of its proper divisors (232288975953901).

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

139356466744356 is an equidigital number, since it uses as much as digits as its factorization.

139356466744356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624 (or 812 counting only the distinct ones).

The product of its digits is 3527193600, while the sum is 72.

The spelling of 139356466744356 in words is "one hundred thirty-nine trillion, three hundred fifty-six billion, four hundred sixty-six million, seven hundred forty-four thousand, three hundred fifty-six".