139410842 has 8 divisors (see below), whose sum is σ = 209716500. Its totient is φ = 69505344.

The previous prime is 139410841. The next prime is 139410877. The reversal of 139410842 is 248014931.

It is a happy number.

139410842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 139027681 + 383161 = 11791^2 + 619^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 139410799 and 139410808.

It is not an unprimeable number, because it can be changed into a prime (139410841) 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, 99167 + ... + 100562.

Almost surely, 2^139410842 is an apocalyptic number.

139410842 is a deficient number, since it is larger than the sum of its proper divisors (70305658).

139410842 is a wasteful number, since it uses less digits than its factorization.

139410842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200080.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 139410842 is about 11807.2368486450. The cubic root of 139410842 is about 518.5200052292.

The spelling of 139410842 in words is "one hundred thirty-nine million, four hundred ten thousand, eight hundred forty-two".