135023684 has 6 divisors (see below), whose sum is σ = 236291454. Its totient is φ = 67511840.

The previous prime is 135023659. The next prime is 135023687. The reversal of 135023684 is 486320531.

It can be written as a sum of positive squares in only one way, i.e., 119421184 + 15602500 = 10928^2 + 3950^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 135023684.

It is not an unprimeable number, because it can be changed into a prime (135023687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16877957 + ... + 16877964.

It is an arithmetic number, because the mean of its divisors is an integer number (39381909).

Almost surely, 2^135023684 is an apocalyptic number.

It is an amenable number.

135023684 is a deficient number, since it is larger than the sum of its proper divisors (101267770).

135023684 is a wasteful number, since it uses less digits than its factorization.

135023684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33755925 (or 33755923 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 135023684 is about 11619.9691910091. The cubic root of 135023684 is about 513.0227815602.

The spelling of 135023684 in words is "one hundred thirty-five million, twenty-three thousand, six hundred eighty-four".