135243502 has 8 divisors (see below), whose sum is σ = 207813312. Its totient is φ = 65972400.

The previous prime is 135243469. The next prime is 135243503. The reversal of 135243502 is 205342531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135243503) 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, 824574 + ... + 824737.

It is an arithmetic number, because the mean of its divisors is an integer number (25976664).

Almost surely, 2^135243502 is an apocalyptic number.

135243502 is a deficient number, since it is larger than the sum of its proper divisors (72569810).

135243502 is a wasteful number, since it uses less digits than its factorization.

135243502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649354.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 135243502 is about 11629.4239754168. The cubic root of 135243502 is about 513.3010302755.

The spelling of 135243502 in words is "one hundred thirty-five million, two hundred forty-three thousand, five hundred two".