131090029 has 4 divisors (see below), whose sum is σ = 149817184. Its totient is φ = 112362876.

The previous prime is 131090027. The next prime is 131090033. The reversal of 131090029 is 920090131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 920090131 = 2969 ⋅309899.

It is a cyclic number.

It is not a de Polignac number, because 131090029 - 2¹ = 131090027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131089985 and 131090012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131090023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9363567 + ... + 9363580.

It is an arithmetic number, because the mean of its divisors is an integer number (37454296).

Almost surely, 2^131090029 is an apocalyptic number.

It is an amenable number.

131090029 is a deficient number, since it is larger than the sum of its proper divisors (18727155).

131090029 is an equidigital number, since it uses as much as digits as its factorization.

131090029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18727154.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 131090029 is about 11449.4554018958. The cubic root of 131090029 is about 507.9916259702.

The spelling of 131090029 in words is "one hundred thirty-one million, ninety thousand, twenty-nine".