131133127 has 4 divisors (see below), whose sum is σ = 132793120. Its totient is φ = 129473136.

The previous prime is 131133113. The next prime is 131133179. The reversal of 131133127 is 721331131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131133127 - 2¹⁹ = 130608839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131133098 and 131133107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131133727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829878 + ... + 830035.

It is an arithmetic number, because the mean of its divisors is an integer number (33198280).

Almost surely, 2^131133127 is an apocalyptic number.

131133127 is a deficient number, since it is larger than the sum of its proper divisors (1659993).

131133127 is an equidigital number, since it uses as much as digits as its factorization.

131133127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659992.

The product of its digits is 378, while the sum is 22.

The square root of 131133127 is about 11451.3373454807. The cubic root of 131133127 is about 508.0472900672.

Adding to 131133127 its reverse (721331131), we get a palindrome (852464258).

The spelling of 131133127 in words is "one hundred thirty-one million, one hundred thirty-three thousand, one hundred twenty-seven".