131433629 has 2 divisors, whose sum is σ = 131433630. Its totient is φ = 131433628.

The previous prime is 131433611. The next prime is 131433641. The reversal of 131433629 is 926334131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130005604 + 1428025 = 11402^2 + 1195^2 .

It is a cyclic number.

It is not a de Polignac number, because 131433629 - 2⁸ = 131433373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131433595 and 131433604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131433329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65716814 + 65716815.

It is an arithmetic number, because the mean of its divisors is an integer number (65716815).

Almost surely, 2^131433629 is an apocalyptic number.

It is an amenable number.

131433629 is a deficient number, since it is larger than the sum of its proper divisors (1).

131433629 is an equidigital number, since it uses as much as digits as its factorization.

131433629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 32.

The square root of 131433629 is about 11464.4506628098. The cubic root of 131433629 is about 508.4350709445.

It can be divided in two parts, 1314 and 33629, that added together give a palindrome (34943).

The spelling of 131433629 in words is "one hundred thirty-one million, four hundred thirty-three thousand, six hundred twenty-nine".