538958135 has 4 divisors (see below), whose sum is σ = 646749768. Its totient is φ = 431166504.

The previous prime is 538958129. The next prime is 538958153. The reversal of 538958135 is 531859835.

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

It is a cyclic number.

It is not a de Polignac number, because 538958135 - 2¹⁴ = 538941751 is a prime.

It is a super-3 number, since 3×538958135³ (a number of 27 digits) contains 333 as substring.

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 538958135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53895809 + ... + 53895818.

It is an arithmetic number, because the mean of its divisors is an integer number (161687442).

Almost surely, 2^538958135 is an apocalyptic number.

538958135 is a deficient number, since it is larger than the sum of its proper divisors (107791633).

538958135 is a wasteful number, since it uses less digits than its factorization.

538958135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107791632.

The product of its digits is 648000, while the sum is 47.

The square root of 538958135 is about 23215.4718883765. The cubic root of 538958135 is about 813.8012335969.

The spelling of 538958135 in words is "five hundred thirty-eight million, nine hundred fifty-eight thousand, one hundred thirty-five".