139122382 has 16 divisors (see below), whose sum is σ = 238646880. Its totient is φ = 59586048.

The previous prime is 139122353. The next prime is 139122383. The reversal of 139122382 is 283221931.

139122382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139122383) 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, 41638 + ... + 44854.

It is an arithmetic number, because the mean of its divisors is an integer number (14915430).

Almost surely, 2^139122382 is an apocalyptic number.

139122382 is a deficient number, since it is larger than the sum of its proper divisors (99524498).

139122382 is a wasteful number, since it uses less digits than its factorization.

139122382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315.

The product of its digits is 5184, while the sum is 31.

The square root of 139122382 is about 11795.0151335214. The cubic root of 139122382 is about 518.1621288041.

The spelling of 139122382 in words is "one hundred thirty-nine million, one hundred twenty-two thousand, three hundred eighty-two".