139105532 has 12 divisors (see below), whose sum is σ = 243520200. Its totient is φ = 69528336.

The previous prime is 139105531. The next prime is 139105567. The reversal of 139105532 is 235501931.

It is a super-3 number, since 3×139105532³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 139105495 and 139105504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139105531) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14219 + ... + 21917.

It is an arithmetic number, because the mean of its divisors is an integer number (20293350).

Almost surely, 2^139105532 is an apocalyptic number.

It is an amenable number.

139105532 is a deficient number, since it is larger than the sum of its proper divisors (104414668).

139105532 is a wasteful number, since it uses less digits than its factorization.

139105532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12220 (or 12218 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 139105532 is about 11794.3008270944. The cubic root of 139105532 is about 518.1412086515.

The spelling of 139105532 in words is "one hundred thirty-nine million, one hundred five thousand, five hundred thirty-two".