139230935 has 8 divisors (see below), whose sum is σ = 176905296. Its totient is φ = 104832640.

The previous prime is 139230907. The next prime is 139230941. The reversal of 139230935 is 539032931.

It is a happy number.

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

It is not a de Polignac number, because 139230935 - 2¹² = 139226839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139230895 and 139230904.

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, 818921 + ... + 819090.

It is an arithmetic number, because the mean of its divisors is an integer number (22113162).

Almost surely, 2^139230935 is an apocalyptic number.

139230935 is a deficient number, since it is larger than the sum of its proper divisors (37674361).

139230935 is a wasteful number, since it uses less digits than its factorization.

139230935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638033.

The product of its (nonzero) digits is 21870, while the sum is 35.

The square root of 139230935 is about 11799.6158835786. The cubic root of 139230935 is about 518.2968625293.

The spelling of 139230935 in words is "one hundred thirty-nine million, two hundred thirty thousand, nine hundred thirty-five".