135052574 has 4 divisors (see below), whose sum is σ = 202578864. Its totient is φ = 67526286.

The previous prime is 135052543. The next prime is 135052583. The reversal of 135052574 is 475250531.

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

It is a self number, because there is not a number n which added to its sum of digits gives 135052574.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33763142 + ... + 33763145.

It is an arithmetic number, because the mean of its divisors is an integer number (50644716).

Almost surely, 2^135052574 is an apocalyptic number.

135052574 is a deficient number, since it is larger than the sum of its proper divisors (67526290).

135052574 is an equidigital number, since it uses as much as digits as its factorization.

135052574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67526289.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 135052574 is about 11621.2122431354. The cubic root of 135052574 is about 513.0593681569.

The spelling of 135052574 in words is "one hundred thirty-five million, fifty-two thousand, five hundred seventy-four".