138127254572235 has 16 divisors (see below), whose sum is σ = 221009286219264. Its totient is φ = 73665976137312.

The previous prime is 138127254572207. The next prime is 138127254572287. The reversal of 138127254572235 is 532275452721831.

It is not a de Polignac number, because 138127254572235 - 2¹² = 138127254568139 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117707187 + ... + 118874876.

It is an arithmetic number, because the mean of its divisors is an integer number (13813080388704).

Almost surely, 2^{138127254572235} is an apocalyptic number.

138127254572235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138127254572235 is a deficient number, since it is larger than the sum of its proper divisors (82882031647029).

138127254572235 is a wasteful number, since it uses less digits than its factorization.

138127254572235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236620994.

The product of its digits is 28224000, while the sum is 57.

The spelling of 138127254572235 in words is "one hundred thirty-eight trillion, one hundred twenty-seven billion, two hundred fifty-four million, five hundred seventy-two thousand, two hundred thirty-five".