131629395 has 16 divisors (see below), whose sum is σ = 210921120. Its totient is φ = 70097664.

The previous prime is 131629357. The next prime is 131629403. The reversal of 131629395 is 593926131.

It is not a de Polignac number, because 131629395 - 2⁶ = 131629331 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4447 + ... + 16823.

It is an arithmetic number, because the mean of its divisors is an integer number (13182570).

Almost surely, 2^131629395 is an apocalyptic number.

131629395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131629395 is a deficient number, since it is larger than the sum of its proper divisors (79291725).

131629395 is a wasteful number, since it uses less digits than its factorization.

131629395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13094.

The product of its digits is 43740, while the sum is 39.

The square root of 131629395 is about 11472.9854440769. The cubic root of 131629395 is about 508.6873780698.

The spelling of 131629395 in words is "one hundred thirty-one million, six hundred twenty-nine thousand, three hundred ninety-five".