131440202 has 8 divisors (see below), whose sum is σ = 197259300. Its totient is φ = 65687104.

The previous prime is 131440187. The next prime is 131440213. The reversal of 131440202 is 202044131.

131440202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 110271001 + 21169201 = 10501^2 + 4601^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11177 + ... + 19692.

Almost surely, 2^131440202 is an apocalyptic number.

131440202 is a deficient number, since it is larger than the sum of its proper divisors (65819098).

131440202 is a wasteful number, since it uses less digits than its factorization.

131440202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33000.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 131440202 is about 11464.7373279984. The cubic root of 131440202 is about 508.4435464213.

Adding to 131440202 its reverse (202044131), we get a palindrome (333484333).

The spelling of 131440202 in words is "one hundred thirty-one million, four hundred forty thousand, two hundred two".