139030543 has 4 divisors (see below), whose sum is σ = 146347960. Its totient is φ = 131713128.

The previous prime is 139030537. The next prime is 139030547. The reversal of 139030543 is 345030931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345030931 = 7 ⋅49290133.

It is a cyclic number.

It is not a de Polignac number, because 139030543 - 2¹⁷ = 138899471 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 (139030547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3658680 + ... + 3658717.

It is an arithmetic number, because the mean of its divisors is an integer number (36586990).

Almost surely, 2^139030543 is an apocalyptic number.

139030543 is a deficient number, since it is larger than the sum of its proper divisors (7317417).

139030543 is an equidigital number, since it uses as much as digits as its factorization.

139030543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7317416.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 139030543 is about 11791.1213631274. The cubic root of 139030543 is about 518.0480854076.

The spelling of 139030543 in words is "one hundred thirty-nine million, thirty thousand, five hundred forty-three".