139533112 has 32 divisors (see below), whose sum is σ = 280080000. Its totient is φ = 64970208.

The previous prime is 139533109. The next prime is 139533113. The reversal of 139533112 is 211335931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139533113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189 + ... + 16747.

It is an arithmetic number, because the mean of its divisors is an integer number (8752500).

Almost surely, 2^139533112 is an apocalyptic number.

It is an amenable number.

139533112 is an abundant number, since it is smaller than the sum of its proper divisors (140546888).

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

139533112 is a wasteful number, since it uses less digits than its factorization.

139533112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15643 (or 15639 counting only the distinct ones).

The product of its digits is 2430, while the sum is 28.

The square root of 139533112 is about 11812.4134705825. The cubic root of 139533112 is about 518.6715499115.

The spelling of 139533112 in words is "one hundred thirty-nine million, five hundred thirty-three thousand, one hundred twelve".