135123502 has 8 divisors (see below), whose sum is σ = 205127496. Its totient is φ = 66747672.

The previous prime is 135123491. The next prime is 135123503. The reversal of 135123502 is 205321531.

135123502 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (135123503) 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, 406833 + ... + 407164.

It is an arithmetic number, because the mean of its divisors is an integer number (25640937).

Almost surely, 2^135123502 is an apocalyptic number.

135123502 is a deficient number, since it is larger than the sum of its proper divisors (70003994).

135123502 is an equidigital number, since it uses as much as digits as its factorization.

135123502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814082.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 135123502 is about 11624.2635035515. The cubic root of 135123502 is about 513.1491699901.

The spelling of 135123502 in words is "one hundred thirty-five million, one hundred twenty-three thousand, five hundred two".