474075139 has 2 divisors, whose sum is σ = 474075140. Its totient is φ = 474075138.

The previous prime is 474075131. The next prime is 474075193. The reversal of 474075139 is 931570474.

Together with next prime (474075193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 474075139 - 2³ = 474075131 is a prime.

It is not a weakly prime, because it can be changed into another prime (474075131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237037569 + 237037570.

It is an arithmetic number, because the mean of its divisors is an integer number (237037570).

Almost surely, 2^474075139 is an apocalyptic number.

474075139 is a deficient number, since it is larger than the sum of its proper divisors (1).

474075139 is an equidigital number, since it uses as much as digits as its factorization.

474075139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 474075139 is about 21773.2666129821. The cubic root of 474075139 is about 779.7386473722.

The spelling of 474075139 in words is "four hundred seventy-four million, seventy-five thousand, one hundred thirty-nine".