127146138827 has 2 divisors, whose sum is σ = 127146138828. Its totient is φ = 127146138826.

The previous prime is 127146138787. The next prime is 127146138883. The reversal of 127146138827 is 728831641721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127146138827 - 2¹⁰ = 127146137803 is a prime.

It is a super-2 number, since 2×127146138827² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (127146138887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63573069413 + 63573069414.

It is an arithmetic number, because the mean of its divisors is an integer number (63573069414).

Almost surely, 2^127146138827 is an apocalyptic number.

127146138827 is a deficient number, since it is larger than the sum of its proper divisors (1).

127146138827 is an equidigital number, since it uses as much as digits as its factorization.

127146138827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 903168, while the sum is 50.

The spelling of 127146138827 in words is "one hundred twenty-seven billion, one hundred forty-six million, one hundred thirty-eight thousand, eight hundred twenty-seven".