1814131995 has 16 divisors (see below), whose sum is σ = 3125889312. Its totient is φ = 893111040.

The previous prime is 1814131973. The next prime is 1814132011. The reversal of 1814131995 is 5991314181.

It is a happy number.

It is not a de Polignac number, because 1814131995 - 2¹⁰ = 1814130971 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4651426 + ... + 4651815.

It is an arithmetic number, because the mean of its divisors is an integer number (195368082).

Almost surely, 2^1814131995 is an apocalyptic number.

1814131995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1814131995 is a deficient number, since it is larger than the sum of its proper divisors (1311757317).

1814131995 is a wasteful number, since it uses less digits than its factorization.

1814131995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9303262.

The product of its digits is 38880, while the sum is 42.

The square root of 1814131995 is about 42592.6284114986. The cubic root of 1814131995 is about 1219.6155724638.

The spelling of 1814131995 in words is "one billion, eight hundred fourteen million, one hundred thirty-one thousand, nine hundred ninety-five".