131740239129 has 8 divisors (see below), whose sum is σ = 175945923552. Its totient is φ = 87680690400.

The previous prime is 131740239121. The next prime is 131740239149. The reversal of 131740239129 is 921932047131.

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

It is not a de Polignac number, because 131740239129 - 2³ = 131740239121 is a prime.

It is a super-2 number, since 2×131740239129² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (131740239121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36531819 + ... + 36535424.

It is an arithmetic number, because the mean of its divisors is an integer number (21993240444).

Almost surely, 2^131740239129 is an apocalyptic number.

It is an amenable number.

131740239129 is a deficient number, since it is larger than the sum of its proper divisors (44205684423).

131740239129 is an equidigital number, since it uses as much as digits as its factorization.

131740239129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73067847.

The product of its (nonzero) digits is 81648, while the sum is 42.

It can be divided in two parts, 1317402 and 39129, that added together give a palindrome (1356531).

The spelling of 131740239129 in words is "one hundred thirty-one billion, seven hundred forty million, two hundred thirty-nine thousand, one hundred twenty-nine".