131148607 has 4 divisors (see below), whose sum is σ = 131934096. Its totient is φ = 130363120.

The previous prime is 131148587. The next prime is 131148617. The reversal of 131148607 is 706841131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706841131 = 47 ⋅15039173.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131148607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131148617) 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, 392494 + ... + 392827.

It is an arithmetic number, because the mean of its divisors is an integer number (32983524).

Almost surely, 2^131148607 is an apocalyptic number.

131148607 is a deficient number, since it is larger than the sum of its proper divisors (785489).

131148607 is an equidigital number, since it uses as much as digits as its factorization.

131148607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785488.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 131148607 is about 11452.0132291226. The cubic root of 131148607 is about 508.0672805984.

Adding to 131148607 its reverse (706841131), we get a palindrome (837989738).

The spelling of 131148607 in words is "one hundred thirty-one million, one hundred forty-eight thousand, six hundred seven".