131349629 has 2 divisors, whose sum is σ = 131349630. Its totient is φ = 131349628.

The previous prime is 131349611. The next prime is 131349637. The reversal of 131349629 is 926943131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115132900 + 16216729 = 10730^2 + 4027^2 .

It is a cyclic number.

It is not a de Polignac number, because 131349629 - 2⁸ = 131349373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131349592 and 131349601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131349689) 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 as a sum of consecutive naturals, namely, 65674814 + 65674815.

It is an arithmetic number, because the mean of its divisors is an integer number (65674815).

Almost surely, 2^131349629 is an apocalyptic number.

It is an amenable number.

131349629 is a deficient number, since it is larger than the sum of its proper divisors (1).

131349629 is an equidigital number, since it uses as much as digits as its factorization.

131349629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 131349629 is about 11460.7865785905. The cubic root of 131349629 is about 508.3267332536.

The spelling of 131349629 in words is "one hundred thirty-one million, three hundred forty-nine thousand, six hundred twenty-nine".