131409089 has 8 divisors (see below), whose sum is σ = 154241088. Its totient is φ = 109591920.

The previous prime is 131409049. The next prime is 131409119. The reversal of 131409089 is 980904131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131409089 - 2¹² = 131404993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131409029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253427 + ... + 253944.

It is an arithmetic number, because the mean of its divisors is an integer number (19280136).

Almost surely, 2^131409089 is an apocalyptic number.

It is an amenable number.

131409089 is a deficient number, since it is larger than the sum of its proper divisors (22831999).

131409089 is an equidigital number, since it uses as much as digits as its factorization.

131409089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507415.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 131409089 is about 11463.3803478730. The cubic root of 131409089 is about 508.4034256359.

The spelling of 131409089 in words is "one hundred thirty-one million, four hundred nine thousand, eighty-nine".