139422035 has 16 divisors (see below), whose sum is σ = 173187072. Its totient is φ = 107637600.

The previous prime is 139422029. The next prime is 139422037. The reversal of 139422035 is 530224931.

139422035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139422035 - 2¹⁰ = 139421011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139421989 and 139422007.

It is not an unprimeable number, because it can be changed into a prime (139422037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65762 + ... + 67848.

It is an arithmetic number, because the mean of its divisors is an integer number (10824192).

Almost surely, 2^139422035 is an apocalyptic number.

139422035 is a deficient number, since it is larger than the sum of its proper divisors (33765037).

139422035 is a wasteful number, since it uses less digits than its factorization.

139422035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 139422035 is about 11807.7108280987. The cubic root of 139422035 is about 518.5338818139.

Adding to 139422035 its reverse (530224931), we get a palindrome (669646966).

The spelling of 139422035 in words is "one hundred thirty-nine million, four hundred twenty-two thousand, thirty-five".