141938539 has 4 divisors (see below), whose sum is σ = 142210456. Its totient is φ = 141666624.

The previous prime is 141938501. The next prime is 141938561. The reversal of 141938539 is 935839141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 935839141 = 233 ⋅4016477.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141938539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141938495 and 141938504.

It is not an unprimeable number, because it can be changed into a prime (141938239) 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 3 ways as a sum of consecutive naturals, for example, 135174 + ... + 136219.

It is an arithmetic number, because the mean of its divisors is an integer number (35552614).

Almost surely, 2^141938539 is an apocalyptic number.

141938539 is a deficient number, since it is larger than the sum of its proper divisors (271917).

141938539 is an equidigital number, since it uses as much as digits as its factorization.

141938539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271916.

The product of its digits is 116640, while the sum is 43.

The square root of 141938539 is about 11913.7961624329. The cubic root of 141938539 is about 521.6350641892.

The spelling of 141938539 in words is "one hundred forty-one million, nine hundred thirty-eight thousand, five hundred thirty-nine".