995139131 has 8 divisors (see below), whose sum is σ = 1161500160. Its totient is φ = 834827688.

The previous prime is 995139121. The next prime is 995139157. The reversal of 995139131 is 131931599.

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 995139131 - 2¹⁴ = 995122747 is a prime.

It is a super-2 number, since 2×995139131² = 1980603780094870322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (995139121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1512041 + ... + 1512698.

It is an arithmetic number, because the mean of its divisors is an integer number (145187520).

Almost surely, 2^995139131 is an apocalyptic number.

995139131 is a deficient number, since it is larger than the sum of its proper divisors (166361029).

995139131 is a wasteful number, since it uses less digits than its factorization.

995139131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024793.

The product of its digits is 32805, while the sum is 41.

The square root of 995139131 is about 31545.8258886972. The cubic root of 995139131 is about 998.3770778820.

The spelling of 995139131 in words is "nine hundred ninety-five million, one hundred thirty-nine thousand, one hundred thirty-one".