131986029 has 36 divisors (see below), whose sum is σ = 212192736. Its totient is φ = 71479584.

The previous prime is 131985967. The next prime is 131986031. The reversal of 131986029 is 920689131.

It is not a de Polignac number, because 131986029 - 2⁷ = 131985901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131986039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1210827 + ... + 1210935.

Almost surely, 2^131986029 is an apocalyptic number.

It is an amenable number.

131986029 is a deficient number, since it is larger than the sum of its proper divisors (80206707).

131986029 is an equidigital number, since it uses as much as digits as its factorization.

131986029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 131986029 is about 11488.5172672543. The cubic root of 131986029 is about 509.1463728601.

The spelling of 131986029 in words is "one hundred thirty-one million, nine hundred eighty-six thousand, twenty-nine".