135424988 has 12 divisors (see below), whose sum is σ = 244638912. Its totient is φ = 65528160.

The previous prime is 135424987. The next prime is 135424999. The reversal of 135424988 is 889424531.

It is a happy number.

135424988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×135424988³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135424987) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 545945 + ... + 546192.

It is an arithmetic number, because the mean of its divisors is an integer number (20386576).

Almost surely, 2^135424988 is an apocalyptic number.

It is an amenable number.

135424988 is a deficient number, since it is larger than the sum of its proper divisors (109213924).

135424988 is a wasteful number, since it uses less digits than its factorization.

135424988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092172 (or 1092170 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 135424988 is about 11637.2242394825. The cubic root of 135424988 is about 513.5305306722.

The spelling of 135424988 in words is "one hundred thirty-five million, four hundred twenty-four thousand, nine hundred eighty-eight".