1474861139 has 2 divisors, whose sum is σ = 1474861140. Its totient is φ = 1474861138.

The previous prime is 1474861133. The next prime is 1474861147. The reversal of 1474861139 is 9311684741.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1474861139 - 2⁴ = 1474861123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1474861139.

It is not a weakly prime, because it can be changed into another prime (1474861133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 737430569 + 737430570.

It is an arithmetic number, because the mean of its divisors is an integer number (737430570).

Almost surely, 2^1474861139 is an apocalyptic number.

1474861139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1474861139 is an equidigital number, since it uses as much as digits as its factorization.

1474861139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 1474861139 is about 38403.9208805559. The cubic root of 1474861139 is about 1138.2833347506.

The spelling of 1474861139 in words is "one billion, four hundred seventy-four million, eight hundred sixty-one thousand, one hundred thirty-nine".