131534245 has 16 divisors (see below), whose sum is σ = 168497280. Its totient is φ = 98280000.

The previous prime is 131534243. The next prime is 131534269. The reversal of 131534245 is 542435131.

It is not a de Polignac number, because 131534245 - 2¹ = 131534243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131534243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3006 + ... + 16495.

It is an arithmetic number, because the mean of its divisors is an integer number (10531080).

Almost surely, 2^131534245 is an apocalyptic number.

It is an amenable number.

131534245 is a deficient number, since it is larger than the sum of its proper divisors (36963035).

131534245 is a wasteful number, since it uses less digits than its factorization.

131534245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19596.

The product of its digits is 7200, while the sum is 28.

The square root of 131534245 is about 11468.8379969376. The cubic root of 131534245 is about 508.5647781209.

Adding to 131534245 its reverse (542435131), we get a palindrome (673969376).

The spelling of 131534245 in words is "one hundred thirty-one million, five hundred thirty-four thousand, two hundred forty-five".