131046554 has 4 divisors (see below), whose sum is σ = 196569834. Its totient is φ = 65523276.

The previous prime is 131046551. The next prime is 131046577. The reversal of 131046554 is 455640131.

It is a happy number.

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., 81414529 + 49632025 = 9023^2 + 7045^2 .

It is not an unprimeable number, because it can be changed into a prime (131046551) by changing a digit.

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 as a sum of consecutive naturals, namely, 32761637 + ... + 32761640.

Almost surely, 2^131046554 is an apocalyptic number.

131046554 is a deficient number, since it is larger than the sum of its proper divisors (65523280).

131046554 is an equidigital number, since it uses as much as digits as its factorization.

131046554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65523279.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 131046554 is about 11447.5566825415. The cubic root of 131046554 is about 507.9354625890.

Adding to 131046554 its reverse (455640131), we get a palindrome (586686685).

The spelling of 131046554 in words is "one hundred thirty-one million, forty-six thousand, five hundred fifty-four".