131245235 has 8 divisors (see below), whose sum is σ = 171812016. Its totient is φ = 95451040.

The previous prime is 131245207. The next prime is 131245241. The reversal of 131245235 is 532542131.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-131245235 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193084 + ... + 1193193.

It is an arithmetic number, because the mean of its divisors is an integer number (21476502).

Almost surely, 2^131245235 is an apocalyptic number.

131245235 is a deficient number, since it is larger than the sum of its proper divisors (40566781).

131245235 is a wasteful number, since it uses less digits than its factorization.

131245235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386293.

The product of its digits is 3600, while the sum is 26.

The square root of 131245235 is about 11456.2312738527. The cubic root of 131245235 is about 508.1920283284.

Adding to 131245235 its reverse (532542131), we get a palindrome (663787366).

The spelling of 131245235 in words is "one hundred thirty-one million, two hundred forty-five thousand, two hundred thirty-five".