939640135 has 8 divisors (see below), whose sum is σ = 1288649376. Its totient is φ = 644324640.

The previous prime is 939640111. The next prime is 939640147. The reversal of 939640135 is 531046939.

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

It is not a de Polignac number, because 939640135 - 2⁷ = 939640007 is a prime.

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, 13423396 + ... + 13423465.

It is an arithmetic number, because the mean of its divisors is an integer number (161081172).

Almost surely, 2^939640135 is an apocalyptic number.

939640135 is a deficient number, since it is larger than the sum of its proper divisors (349009241).

939640135 is a wasteful number, since it uses less digits than its factorization.

939640135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26846873.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 939640135 is about 30653.5501206630. The cubic root of 939640135 is about 979.4610861091.

The spelling of 939640135 in words is "nine hundred thirty-nine million, six hundred forty thousand, one hundred thirty-five".