135012528 has 80 divisors (see below), whose sum is σ = 442908160. Its totient is φ = 38574144.

The previous prime is 135012517. The next prime is 135012539. The reversal of 135012528 is 825210531.

It is a happy number.

135012528 is a `hidden beast` number, since 135 + 0 + 1 + 2 + 528 = 666.

It is an interprime number because it is at equal distance from previous prime (135012517) and next prime (135012539).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19300 + ... + 25347.

It is an arithmetic number, because the mean of its divisors is an integer number (5536352).

Almost surely, 2^135012528 is an apocalyptic number.

135012528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

135012528 is an abundant number, since it is smaller than the sum of its proper divisors (307895632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135012528 is a wasteful number, since it uses less digits than its factorization.

135012528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44671 (or 44659 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 135012528 is about 11619.4891453971. The cubic root of 135012528 is about 513.0086520890.

The spelling of 135012528 in words is "one hundred thirty-five million, twelve thousand, five hundred twenty-eight".