139109068 has 24 divisors (see below), whose sum is σ = 279141632. Its totient is φ = 59420304.

The previous prime is 139109057. The next prime is 139109071. The reversal of 139109068 is 860901931.

It is a super-3 number, since 3×139109068³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

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, 505 + ... + 16687.

Almost surely, 2^139109068 is an apocalyptic number.

It is an amenable number.

139109068 is an abundant number, since it is smaller than the sum of its proper divisors (140032564).

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

139109068 is a wasteful number, since it uses less digits than its factorization.

139109068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16501 (or 16499 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 139109068 is about 11794.4507290505. The cubic root of 139109068 is about 518.1455989197.

The spelling of 139109068 in words is "one hundred thirty-nine million, one hundred nine thousand, sixty-eight".