83135453139 has 20 divisors (see below), whose sum is σ = 127219027320. Its totient is φ = 54071837280.

The previous prime is 83135453129. The next prime is 83135453161. The reversal of 83135453139 is 93135453138.

83135453139 is a `hidden beast` number, since 8 + 31 + 3 + 54 + 531 + 39 = 666.

It is not a de Polignac number, because 83135453139 - 2⁹ = 83135452627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83135453094 and 83135453103.

It is not an unprimeable number, because it can be changed into a prime (83135453129) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12513309 + ... + 12519950.

It is an arithmetic number, because the mean of its divisors is an integer number (6360951366).

Almost surely, 2^83135453139 is an apocalyptic number.

83135453139 is a deficient number, since it is larger than the sum of its proper divisors (44083574181).

83135453139 is a wasteful number, since it uses less digits than its factorization.

83135453139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25033312 (or 25033303 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

Subtracting 83135453139 from its reverse (93135453138), we obtain a palindrome (9999999999).

The spelling of 83135453139 in words is "eighty-three billion, one hundred thirty-five million, four hundred fifty-three thousand, one hundred thirty-nine".