131746486 has 4 divisors (see below), whose sum is σ = 197619732. Its totient is φ = 65873242.

The previous prime is 131746471. The next prime is 131746493. The reversal of 131746486 is 684647131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 684647131 = 7 ⋅97806733.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32936620 + ... + 32936623.

It is an arithmetic number, because the mean of its divisors is an integer number (49404933).

Almost surely, 2^131746486 is an apocalyptic number.

131746486 is a deficient number, since it is larger than the sum of its proper divisors (65873246).

131746486 is an equidigital number, since it uses as much as digits as its factorization.

131746486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65873245.

The product of its digits is 96768, while the sum is 40.

The square root of 131746486 is about 11478.0872099841. The cubic root of 131746486 is about 508.8381677450.

The spelling of 131746486 in words is "one hundred thirty-one million, seven hundred forty-six thousand, four hundred eighty-six".