135203534 has 16 divisors (see below), whose sum is σ = 204761088. Its totient is φ = 66953112.

The previous prime is 135203531. The next prime is 135203543. The reversal of 135203534 is 435302531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135203531) 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, 122027 + ... + 123129.

It is an arithmetic number, because the mean of its divisors is an integer number (12797568).

Almost surely, 2^135203534 is an apocalyptic number.

135203534 is a deficient number, since it is larger than the sum of its proper divisors (69557554).

135203534 is a wasteful number, since it uses less digits than its factorization.

135203534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 135203534 is about 11627.7054486257. The cubic root of 135203534 is about 513.2504606571.

The spelling of 135203534 in words is "one hundred thirty-five million, two hundred three thousand, five hundred thirty-four".