131495206 has 4 divisors (see below), whose sum is σ = 197242812. Its totient is φ = 65747602.

The previous prime is 131495191. The next prime is 131495207. The reversal of 131495206 is 602594131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131495207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32873800 + ... + 32873803.

It is an arithmetic number, because the mean of its divisors is an integer number (49310703).

Almost surely, 2^131495206 is an apocalyptic number.

131495206 is a deficient number, since it is larger than the sum of its proper divisors (65747606).

131495206 is an equidigital number, since it uses as much as digits as its factorization.

131495206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65747605.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 131495206 is about 11467.1359109413. The cubic root of 131495206 is about 508.5144596027.

The spelling of 131495206 in words is "one hundred thirty-one million, four hundred ninety-five thousand, two hundred six".