139403544960 has 128 divisors (see below), whose sum is σ = 444549137760. Its totient is φ = 37157519360.

The previous prime is 139403544953. The next prime is 139403544971. The reversal of 139403544960 is 69445304931.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4579390 + ... + 4609730.

Almost surely, 2^139403544960 is an apocalyptic number.

139403544960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139403544960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222274568880).

139403544960 is an abundant number, since it is smaller than the sum of its proper divisors (305145592800).

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

139403544960 is a wasteful number, since it uses less digits than its factorization.

139403544960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32756 (or 32744 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 139403544960 in words is "one hundred thirty-nine billion, four hundred three million, five hundred forty-four thousand, nine hundred sixty".