138002795 has 16 divisors (see below), whose sum is σ = 199223040. Its totient is φ = 89649504.

The previous prime is 138002791. The next prime is 138002797. The reversal of 138002795 is 597200831.

It is not a de Polignac number, because 138002795 - 2² = 138002791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (138002791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103097 + ... + 104426.

It is an arithmetic number, because the mean of its divisors is an integer number (12451440).

Almost surely, 2^138002795 is an apocalyptic number.

138002795 is a deficient number, since it is larger than the sum of its proper divisors (61220245).

138002795 is a wasteful number, since it uses less digits than its factorization.

138002795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207554.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 138002795 is about 11747.4590869686. The cubic root of 138002795 is about 516.7684140002.

The spelling of 138002795 in words is "one hundred thirty-eight million, two thousand, seven hundred ninety-five".