135774738 has 32 divisors (see below), whose sum is σ = 329152320. Its totient is φ = 41143680.

The previous prime is 135774713. The next prime is 135774827. The reversal of 135774738 is 837477531.

135774738 is a `hidden beast` number, since 1 + 3 + 577 + 4 + 73 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 135774693 and 135774702.

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, 113695 + ... + 114882.

It is an arithmetic number, because the mean of its divisors is an integer number (10286010).

Almost surely, 2^135774738 is an apocalyptic number.

135774738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

135774738 is an abundant number, since it is smaller than the sum of its proper divisors (193377582).

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

135774738 is a wasteful number, since it uses less digits than its factorization.

135774738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228599 (or 228593 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 135774738 is about 11652.2417585630. The cubic root of 135774738 is about 513.9722337598.

The spelling of 135774738 in words is "one hundred thirty-five million, seven hundred seventy-four thousand, seven hundred thirty-eight".