147131235 has 40 divisors (see below), whose sum is σ = 264670560. Its totient is φ = 78195456.

The previous prime is 147131227. The next prime is 147131267. The reversal of 147131235 is 532131741.

It is not a de Polignac number, because 147131235 - 2³ = 147131227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 147131199 and 147131208.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 174946 + ... + 175784.

It is an arithmetic number, because the mean of its divisors is an integer number (6616764).

Almost surely, 2^147131235 is an apocalyptic number.

147131235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

147131235 is a deficient number, since it is larger than the sum of its proper divisors (117539325).

147131235 is an equidigital number, since it uses as much as digits as its factorization.

147131235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289 (or 1280 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 147131235 is about 12129.7664857985. The cubic root of 147131235 is about 527.9202165090.

Adding to 147131235 its reverse (532131741), we get a palindrome (679262976).

The spelling of 147131235 in words is "one hundred forty-seven million, one hundred thirty-one thousand, two hundred thirty-five".