138427335 has 12 divisors (see below), whose sum is σ = 239940792. Its totient is φ = 73827888.

The previous prime is 138427327. The next prime is 138427337. The reversal of 138427335 is 533724831.

138427335 is a `hidden beast` number, since 1 + 384 + 273 + 3 + 5 = 666.

It is not a de Polignac number, because 138427335 - 2³ = 138427327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 138427335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138427337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1538037 + ... + 1538126.

It is an arithmetic number, because the mean of its divisors is an integer number (19995066).

Almost surely, 2^138427335 is an apocalyptic number.

138427335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138427335 is a deficient number, since it is larger than the sum of its proper divisors (101513457).

138427335 is a wasteful number, since it uses less digits than its factorization.

138427335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076174 (or 3076171 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 138427335 is about 11765.5146508769. The cubic root of 138427335 is about 517.2977855888.

The spelling of 138427335 in words is "one hundred thirty-eight million, four hundred twenty-seven thousand, three hundred thirty-five".