131533153 has 4 divisors (see below), whose sum is σ = 131584048. Its totient is φ = 131482260.

The previous prime is 131533151. The next prime is 131533169. The reversal of 131533153 is 351335131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131533153 - 2¹ = 131533151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131533151) 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, 21351 + ... + 26812.

It is an arithmetic number, because the mean of its divisors is an integer number (32896012).

Almost surely, 2^131533153 is an apocalyptic number.

It is an amenable number.

131533153 is a deficient number, since it is larger than the sum of its proper divisors (50895).

131533153 is an equidigital number, since it uses as much as digits as its factorization.

131533153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50894.

The product of its digits is 2025, while the sum is 25.

The square root of 131533153 is about 11468.7903895747. The cubic root of 131533153 is about 508.5633707453.

Adding to 131533153 its reverse (351335131), we get a palindrome (482868284).

The spelling of 131533153 in words is "one hundred thirty-one million, five hundred thirty-three thousand, one hundred fifty-three".