139230535 has 8 divisors (see below), whose sum is σ = 167219136. Its totient is φ = 111289440.

The previous prime is 139230529. The next prime is 139230541. The reversal of 139230535 is 535032931.

139230535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (139230529) and next prime (139230541).

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

It is not a de Polignac number, because 139230535 - 2¹⁷ = 139099463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139230497 and 139230506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5071 + ... + 17440.

It is an arithmetic number, because the mean of its divisors is an integer number (20902392).

Almost surely, 2^139230535 is an apocalyptic number.

139230535 is a deficient number, since it is larger than the sum of its proper divisors (27988601).

139230535 is a wasteful number, since it uses less digits than its factorization.

139230535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23753.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 139230535 is about 11799.5989338621. The cubic root of 139230535 is about 518.2963661862.

The spelling of 139230535 in words is "one hundred thirty-nine million, two hundred thirty thousand, five hundred thirty-five".