138267735 has 16 divisors (see below), whose sum is σ = 221377536. Its totient is φ = 73693088.

The previous prime is 138267721. The next prime is 138267761. The reversal of 138267735 is 537762831.

It is a cyclic number.

It is not a de Polignac number, because 138267735 - 2¹⁸ = 138005591 is a prime.

It is a congruent 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, 34822 + ... + 38588.

It is an arithmetic number, because the mean of its divisors is an integer number (13836096).

Almost surely, 2^138267735 is an apocalyptic number.

138267735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138267735 is a deficient number, since it is larger than the sum of its proper divisors (83109801).

138267735 is a wasteful number, since it uses less digits than its factorization.

138267735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6222.

The product of its digits is 211680, while the sum is 42.

The square root of 138267735 is about 11758.7301610335. The cubic root of 138267735 is about 517.0989027202.

The spelling of 138267735 in words is "one hundred thirty-eight million, two hundred sixty-seven thousand, seven hundred thirty-five".