135109998 has 32 divisors (see below), whose sum is σ = 305173920. Its totient is φ = 44297280.

The previous prime is 135109993. The next prime is 135110011. The reversal of 135109998 is 899901531.

135109998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135109993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17215 + ... + 23802.

It is an arithmetic number, because the mean of its divisors is an integer number (9536685).

Almost surely, 2^135109998 is an apocalyptic number.

135109998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

135109998 is an abundant number, since it is smaller than the sum of its proper divisors (170063922).

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

135109998 is a wasteful number, since it uses less digits than its factorization.

135109998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41089 (or 41083 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The square root of 135109998 is about 11623.6826350344. The cubic root of 135109998 is about 513.1320750186.

The spelling of 135109998 in words is "one hundred thirty-five million, one hundred nine thousand, nine hundred ninety-eight".