131824639 has 2 divisors, whose sum is σ = 131824640. Its totient is φ = 131824638.

The previous prime is 131824619. The next prime is 131824663. The reversal of 131824639 is 936428131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131824639 - 2⁵ = 131824607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131824598 and 131824607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131824619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65912319 + 65912320.

It is an arithmetic number, because the mean of its divisors is an integer number (65912320).

Almost surely, 2^131824639 is an apocalyptic number.

131824639 is a deficient number, since it is larger than the sum of its proper divisors (1).

131824639 is an equidigital number, since it uses as much as digits as its factorization.

131824639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 131824639 is about 11481.4911488012. The cubic root of 131824639 is about 508.9387633907.

The spelling of 131824639 in words is "one hundred thirty-one million, eight hundred twenty-four thousand, six hundred thirty-nine".