131530435 has 8 divisors (see below), whose sum is σ = 157908240. Its totient is φ = 105176544.

The previous prime is 131530433. The next prime is 131530439. The reversal of 131530435 is 534035131.

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

It is a cyclic number.

It is not a de Polignac number, because 131530435 - 2¹ = 131530433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131530433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10024 + ... + 19066.

It is an arithmetic number, because the mean of its divisors is an integer number (19738530).

Almost surely, 2^131530435 is an apocalyptic number.

131530435 is a deficient number, since it is larger than the sum of its proper divisors (26377805).

131530435 is an equidigital number, since it uses as much as digits as its factorization.

131530435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11957.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 131530435 is about 11468.6718934670. The cubic root of 131530435 is about 508.5598677380.

Adding to 131530435 its reverse (534035131), we get a palindrome (665565566).

The spelling of 131530435 in words is "one hundred thirty-one million, five hundred thirty thousand, four hundred thirty-five".