139110842 has 8 divisors (see below), whose sum is σ = 224717556. Its totient is φ = 64204992.

The previous prime is 139110841. The next prime is 139110869. The reversal of 139110842 is 248011931.

It can be written as a sum of positive squares in 2 ways, for example, as 138980521 + 130321 = 11789^2 + 361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (139110841) 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, 2675183 + ... + 2675234.

Almost surely, 2^139110842 is an apocalyptic number.

139110842 is a deficient number, since it is larger than the sum of its proper divisors (85606714).

139110842 is a wasteful number, since it uses less digits than its factorization.

139110842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350432.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 139110842 is about 11794.5259336694. The cubic root of 139110842 is about 518.1478014753.

The spelling of 139110842 in words is "one hundred thirty-nine million, one hundred ten thousand, eight hundred forty-two".