131412245 has 4 divisors (see below), whose sum is σ = 157694700. Its totient is φ = 105129792.

The previous prime is 131412223. The next prime is 131412247. The reversal of 131412245 is 542214131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28633201 + 102779044 = 5351^2 + 10138^2 .

It is a cyclic number.

It is not a de Polignac number, because 131412245 - 2¹⁴ = 131395861 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131412245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131412247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13141220 + ... + 13141229.

It is an arithmetic number, because the mean of its divisors is an integer number (39423675).

Almost surely, 2^131412245 is an apocalyptic number.

It is an amenable number.

131412245 is a deficient number, since it is larger than the sum of its proper divisors (26282455).

131412245 is an equidigital number, since it uses as much as digits as its factorization.

131412245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26282454.

The product of its digits is 960, while the sum is 23.

The square root of 131412245 is about 11463.5180027773. The cubic root of 131412245 is about 508.4074956445.

Adding to 131412245 its reverse (542214131), we get a palindrome (673626376).

The spelling of 131412245 in words is "one hundred thirty-one million, four hundred twelve thousand, two hundred forty-five".