131939053 has 4 divisors (see below), whose sum is σ = 132824700. Its totient is φ = 131053408.

The previous prime is 131939051. The next prime is 131939081. The reversal of 131939053 is 350939131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350939131 = 41 ⋅8559491.

It can be written as a sum of positive squares in 2 ways, for example, as 88021924 + 43917129 = 9382^2 + 6627^2 .

It is a cyclic number.

It is not a de Polignac number, because 131939053 - 2¹ = 131939051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131939051) 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 3 ways as a sum of consecutive naturals, for example, 442600 + ... + 442897.

It is an arithmetic number, because the mean of its divisors is an integer number (33206175).

Almost surely, 2^131939053 is an apocalyptic number.

It is an amenable number.

131939053 is a deficient number, since it is larger than the sum of its proper divisors (885647).

131939053 is an equidigital number, since it uses as much as digits as its factorization.

131939053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885646.

The product of its (nonzero) digits is 10935, while the sum is 34.

The square root of 131939053 is about 11486.4726091172. The cubic root of 131939053 is about 509.0859611677.

The spelling of 131939053 in words is "one hundred thirty-one million, nine hundred thirty-nine thousand, fifty-three".