135784770 has 32 divisors (see below), whose sum is σ = 355510080. Its totient is φ = 32917440.

The previous prime is 135784741. The next prime is 135784823. The reversal of 135784770 is 77487531.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205405 + ... + 206064.

It is an arithmetic number, because the mean of its divisors is an integer number (11109690).

Almost surely, 2^135784770 is an apocalyptic number.

135784770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135784770 is an abundant number, since it is smaller than the sum of its proper divisors (219725310).

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

135784770 is a wasteful number, since it uses less digits than its factorization.

135784770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411490.

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 135784770 is about 11652.6722257172. The cubic root of 135784770 is about 513.9848920852.

The spelling of 135784770 in words is "one hundred thirty-five million, seven hundred eighty-four thousand, seven hundred seventy".