139282503550 has 48 divisors (see below), whose sum is σ = 271010221200. Its totient is φ = 53187411200.

The previous prime is 139282503517. The next prime is 139282503559. The reversal of 139282503550 is 55305282931.

It is a junction number, because it is equal to n+sod(n) for n = 139282503497 and 139282503506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139282503559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 410596 + ... + 668695.

It is an arithmetic number, because the mean of its divisors is an integer number (5646046275).

Almost surely, 2^139282503550 is an apocalyptic number.

139282503550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139282503550 is a deficient number, since it is larger than the sum of its proper divisors (131727717650).

139282503550 is a wasteful number, since it uses less digits than its factorization.

139282503550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079421 (or 1079416 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 139282503550 in words is "one hundred thirty-nine billion, two hundred eighty-two million, five hundred three thousand, five hundred fifty".