131629073 has 2 divisors, whose sum is σ = 131629074. Its totient is φ = 131629072.

The previous prime is 131629061. The next prime is 131629103. The reversal of 131629073 is 370926131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128414224 + 3214849 = 11332^2 + 1793^2 .

It is an emirp because it is prime and its reverse (370926131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131629073 - 2⁶ = 131629009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (131629273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65814536 + 65814537.

It is an arithmetic number, because the mean of its divisors is an integer number (65814537).

Almost surely, 2^131629073 is an apocalyptic number.

It is an amenable number.

131629073 is a deficient number, since it is larger than the sum of its proper divisors (1).

131629073 is an equidigital number, since it uses as much as digits as its factorization.

131629073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 131629073 is about 11472.9714111036. The cubic root of 131629073 is about 508.6869632752.

The spelling of 131629073 in words is "one hundred thirty-one million, six hundred twenty-nine thousand, seventy-three".