139148112 has 20 divisors (see below), whose sum is σ = 359466080. Its totient is φ = 46382688.

The previous prime is 139148099. The next prime is 139148117. The reversal of 139148112 is 211841931.

It is a self number, because there is not a number n which added to its sum of digits gives 139148112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139148117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1449412 + ... + 1449507.

It is an arithmetic number, because the mean of its divisors is an integer number (17973304).

Almost surely, 2^139148112 is an apocalyptic number.

139148112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139148112 is an abundant number, since it is smaller than the sum of its proper divisors (220317968).

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

139148112 is a wasteful number, since it uses less digits than its factorization.

139148112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898930 (or 2898924 counting only the distinct ones).

The product of its digits is 1728, while the sum is 30.

The square root of 139148112 is about 11796.1057981013. The cubic root of 139148112 is about 518.1940706804.

The spelling of 139148112 in words is "one hundred thirty-nine million, one hundred forty-eight thousand, one hundred twelve".