1475252166139 has 2 divisors, whose sum is σ = 1475252166140. Its totient is φ = 1475252166138.

The previous prime is 1475252166137. The next prime is 1475252166217. The reversal of 1475252166139 is 9316612525741.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1475252166139 - 2¹ = 1475252166137 is a prime.

Together with 1475252166137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1475252166137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 737626083069 + 737626083070.

It is an arithmetic number, because the mean of its divisors is an integer number (737626083070).

Almost surely, 2^{1475252166139} is an apocalyptic number.

1475252166139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1475252166139 is an equidigital number, since it uses as much as digits as its factorization.

1475252166139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 52.

The spelling of 1475252166139 in words is "one trillion, four hundred seventy-five billion, two hundred fifty-two million, one hundred sixty-six thousand, one hundred thirty-nine".