135976539 has 4 divisors (see below), whose sum is σ = 181302056. Its totient is φ = 90651024.

The previous prime is 135976481. The next prime is 135976543. The reversal of 135976539 is 935679531.

135976539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 135976539 - 2¹³ = 135968347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135976579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22662754 + ... + 22662759.

It is an arithmetic number, because the mean of its divisors is an integer number (45325514).

Almost surely, 2^135976539 is an apocalyptic number.

135976539 is a deficient number, since it is larger than the sum of its proper divisors (45325517).

135976539 is an equidigital number, since it uses as much as digits as its factorization.

135976539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45325516.

The product of its digits is 765450, while the sum is 48.

The square root of 135976539 is about 11660.8978642298. The cubic root of 135976539 is about 514.2267454324.

The spelling of 135976539 in words is "one hundred thirty-five million, nine hundred seventy-six thousand, five hundred thirty-nine".