131748629 has 2 divisors, whose sum is σ = 131748630. Its totient is φ = 131748628.

The previous prime is 131748607. The next prime is 131748637. The reversal of 131748629 is 926847131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92121604 + 39627025 = 9598^2 + 6295^2 .

It is a cyclic number.

It is not a de Polignac number, because 131748629 - 2⁸ = 131748373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131741629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65874314 + 65874315.

It is an arithmetic number, because the mean of its divisors is an integer number (65874315).

Almost surely, 2^131748629 is an apocalyptic number.

It is an amenable number.

131748629 is a deficient number, since it is larger than the sum of its proper divisors (1).

131748629 is an equidigital number, since it uses as much as digits as its factorization.

131748629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 131748629 is about 11478.1805613956. The cubic root of 131748629 is about 508.8409266656.

The spelling of 131748629 in words is "one hundred thirty-one million, seven hundred forty-eight thousand, six hundred twenty-nine".