135649120 has 48 divisors (see below), whose sum is σ = 339329088. Its totient is φ = 51066880.

The previous prime is 135649117. The next prime is 135649139. The reversal of 135649120 is 21946531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22216 + ... + 27655.

It is an arithmetic number, because the mean of its divisors is an integer number (7069356).

Almost surely, 2^135649120 is an apocalyptic number.

135649120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135649120 is an abundant number, since it is smaller than the sum of its proper divisors (203679968).

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

135649120 is a wasteful number, since it uses less digits than its factorization.

135649120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49903 (or 49895 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 135649120 is about 11646.8502179774. The cubic root of 135649120 is about 513.8136768080.

The spelling of 135649120 in words is "one hundred thirty-five million, six hundred forty-nine thousand, one hundred twenty".