134020535 has 16 divisors (see below), whose sum is σ = 177260832. Its totient is φ = 96460800.

The previous prime is 134020531. The next prime is 134020541. The reversal of 134020535 is 535020431.

It is not a de Polignac number, because 134020535 - 2² = 134020531 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 134020535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134020531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7226 + ... + 17895.

It is an arithmetic number, because the mean of its divisors is an integer number (11078802).

Almost surely, 2^134020535 is an apocalyptic number.

134020535 is a deficient number, since it is larger than the sum of its proper divisors (43240297).

134020535 is a wasteful number, since it uses less digits than its factorization.

134020535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25234.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 134020535 is about 11576.7238457173. The cubic root of 134020535 is about 511.7491332359.

Adding to 134020535 its reverse (535020431), we get a palindrome (669040966).

The spelling of 134020535 in words is "one hundred thirty-four million, twenty thousand, five hundred thirty-five".