131484945 has 16 divisors (see below), whose sum is σ = 211639680. Its totient is φ = 69704064.

The previous prime is 131484937. The next prime is 131485007. The reversal of 131484945 is 549484131.

It is not a de Polignac number, because 131484945 - 2³ = 131484937 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23740 + ... + 28749.

It is an arithmetic number, because the mean of its divisors is an integer number (13227480).

Almost surely, 2^131484945 is an apocalyptic number.

131484945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131484945 is a deficient number, since it is larger than the sum of its proper divisors (80154735).

131484945 is a wasteful number, since it uses less digits than its factorization.

131484945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52664.

The product of its digits is 69120, while the sum is 39.

The square root of 131484945 is about 11466.6884931963. The cubic root of 131484945 is about 508.5012322445.

The spelling of 131484945 in words is "one hundred thirty-one million, four hundred eighty-four thousand, nine hundred forty-five".