995442139 has 8 divisors (see below), whose sum is σ = 1074540960. Its totient is φ = 919328256.

The previous prime is 995442121. The next prime is 995442181. The reversal of 995442139 is 931244599.

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

It is a cyclic number.

It is not a de Polignac number, because 995442139 - 2¹¹ = 995440091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (995442109) 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, 745542 + ... + 746875.

It is an arithmetic number, because the mean of its divisors is an integer number (134317620).

Almost surely, 2^995442139 is an apocalyptic number.

995442139 is a deficient number, since it is larger than the sum of its proper divisors (79098821).

995442139 is a wasteful number, since it uses less digits than its factorization.

995442139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492469.

The product of its digits is 349920, while the sum is 46.

The square root of 995442139 is about 31550.6281870900. The cubic root of 995442139 is about 998.4783989044.

The spelling of 995442139 in words is "nine hundred ninety-five million, four hundred forty-two thousand, one hundred thirty-nine".