131409795 has 64 divisors (see below), whose sum is σ = 243855360. Its totient is φ = 59760000.

The previous prime is 131409793. The next prime is 131409823. The reversal of 131409795 is 597904131.

It is a happy number.

It is not a de Polignac number, because 131409795 - 2¹ = 131409793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131409793) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 523420 + ... + 523670.

It is an arithmetic number, because the mean of its divisors is an integer number (3810240).

Almost surely, 2^131409795 is an apocalyptic number.

131409795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131409795 is a deficient number, since it is larger than the sum of its proper divisors (112445565).

131409795 is a wasteful number, since it uses less digits than its factorization.

131409795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 131409795 is about 11463.4111415407. The cubic root of 131409795 is about 508.4043361061.

The spelling of 131409795 in words is "one hundred thirty-one million, four hundred nine thousand, seven hundred ninety-five".