131484946 has 4 divisors (see below), whose sum is σ = 197227422. Its totient is φ = 65742472.

The previous prime is 131484937. The next prime is 131485007. The reversal of 131484946 is 649484131.

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

It can be written as a sum of positive squares in only one way, i.e., 66601921 + 64883025 = 8161^2 + 8055^2 .

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 junction number, because it is equal to n+sod(n) for n = 131484899 and 131484908.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32871235 + ... + 32871238.

Almost surely, 2^131484946 is an apocalyptic number.

131484946 is a deficient number, since it is larger than the sum of its proper divisors (65742476).

131484946 is an equidigital number, since it uses as much as digits as its factorization.

131484946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65742475.

The product of its digits is 82944, while the sum is 40.

The square root of 131484946 is about 11466.6885368008. The cubic root of 131484946 is about 508.5012335336.

The spelling of 131484946 in words is "one hundred thirty-one million, four hundred eighty-four thousand, nine hundred forty-six".