134123539 has 8 divisors (see below), whose sum is σ = 147527280. Its totient is φ = 121929280.

The previous prime is 134123531. The next prime is 134123543. The reversal of 134123539 is 935321431.

It is not a de Polignac number, because 134123539 - 2³ = 134123531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134123539.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134123531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49054 + ... + 51715.

It is an arithmetic number, because the mean of its divisors is an integer number (18440910).

Almost surely, 2^134123539 is an apocalyptic number.

134123539 is a deficient number, since it is larger than the sum of its proper divisors (13403741).

134123539 is an equidigital number, since it uses as much as digits as its factorization.

134123539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100802 (or 100780 counting only the distinct ones).

The product of its digits is 9720, while the sum is 31.

The square root of 134123539 is about 11581.1717455532. The cubic root of 134123539 is about 511.8802044660.

The spelling of 134123539 in words is "one hundred thirty-four million, one hundred twenty-three thousand, five hundred thirty-nine".