930612139 has 8 divisors (see below), whose sum is σ = 934363760. Its totient is φ = 926868096.

The previous prime is 930612121. The next prime is 930612143. The reversal of 930612139 is 931216039.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-930612139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (930612119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390319 + ... + 392695.

It is an arithmetic number, because the mean of its divisors is an integer number (116795470).

Almost surely, 2^930612139 is an apocalyptic number.

930612139 is a deficient number, since it is larger than the sum of its proper divisors (3751621).

930612139 is a wasteful number, since it uses less digits than its factorization.

930612139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 930612139 is about 30505.9361272523. The cubic root of 930612139 is about 976.3141215876.

The spelling of 930612139 in words is "nine hundred thirty million, six hundred twelve thousand, one hundred thirty-nine".