139123032064 has 153 divisors (see below), whose sum is σ = 293756456271. Its totient is φ = 65885306880.

The previous prime is 139123032031. The next prime is 139123032079. The reversal of 139123032064 is 460230321931.

The square root of 139123032064 is 372992.

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

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2960064489 + ... + 2960064535.

Almost surely, 2^139123032064 is an apocalyptic number.

139123032064 is the 372992-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139123032064

139123032064 is an abundant number, since it is smaller than the sum of its proper divisors (154633424207).

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

139123032064 is an frugal number, since it uses more digits than its factorization.

139123032064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

Adding to 139123032064 its reverse (460230321931), we get a palindrome (599353353995).

The spelling of 139123032064 in words is "one hundred thirty-nine billion, one hundred twenty-three million, thirty-two thousand, sixty-four".