131629 has 8 divisors (see below), whose sum is σ = 141120. Its totient is φ = 122496.

The previous prime is 131627. The next prime is 131639. The reversal of 131629 is 926131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131629 - 2¹ = 131627 is a prime.

It is a Duffinian number.

131629 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309 + ... + 1405.

It is an arithmetic number, because the mean of its divisors is an integer number (17640).

2¹³¹⁶²⁹ is an apocalyptic number.

It is an amenable number.

131629 is a deficient number, since it is larger than the sum of its proper divisors (9491).

131629 is an equidigital number, since it uses as much as digits as its factorization.

131629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179.

The product of its digits is 324, while the sum is 22.

The square root of 131629 is about 362.8071112864. The cubic root of 131629 is about 50.8686869238.

The spelling of 131629 in words is "one hundred thirty-one thousand, six hundred twenty-nine".