135417440 has 24 divisors (see below), whose sum is σ = 319924080. Its totient is φ = 54166912.

The previous prime is 135417439. The next prime is 135417463. The reversal of 135417440 is 44714531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423020 + ... + 423339.

It is an arithmetic number, because the mean of its divisors is an integer number (13330170).

Almost surely, 2^135417440 is an apocalyptic number.

135417440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135417440 is an abundant number, since it is smaller than the sum of its proper divisors (184506640).

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

135417440 is an equidigital number, since it uses as much as digits as its factorization.

135417440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846374 (or 846366 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 135417440 is about 11636.8999308235. The cubic root of 135417440 is about 513.5209898420.

The spelling of 135417440 in words is "one hundred thirty-five million, four hundred seventeen thousand, four hundred forty".