131449602 has 16 divisors (see below), whose sum is σ = 263331360. Its totient is φ = 43744512.

The previous prime is 131449583. The next prime is 131449603. The reversal of 131449602 is 206944131.

It is a self number, because there is not a number n which added to its sum of digits gives 131449602.

It is not an unprimeable number, because it can be changed into a prime (131449603) 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, 13983 + ... + 21410.

It is an arithmetic number, because the mean of its divisors is an integer number (16458210).

Almost surely, 2^131449602 is an apocalyptic number.

131449602 is an abundant number, since it is smaller than the sum of its proper divisors (131881758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131449602 is a wasteful number, since it uses less digits than its factorization.

131449602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36017.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 131449602 is about 11465.1472733672. The cubic root of 131449602 is about 508.4556666487.

The spelling of 131449602 in words is "one hundred thirty-one million, four hundred forty-nine thousand, six hundred two".