131194395 has 12 divisors (see below), whose sum is σ = 227403696. Its totient is φ = 69970320.

The previous prime is 131194367. The next prime is 131194403. The reversal of 131194395 is 593491131.

It is not a de Polignac number, because 131194395 - 2⁵ = 131194363 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1457671 + ... + 1457760.

It is an arithmetic number, because the mean of its divisors is an integer number (18950308).

Almost surely, 2^131194395 is an apocalyptic number.

131194395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131194395 is a deficient number, since it is larger than the sum of its proper divisors (96209301).

131194395 is a wasteful number, since it uses less digits than its factorization.

131194395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915442 (or 2915439 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 131194395 is about 11454.0121791449. The cubic root of 131194395 is about 508.1264010074.

The spelling of 131194395 in words is "one hundred thirty-one million, one hundred ninety-four thousand, three hundred ninety-five".