1830361139 has 2 divisors, whose sum is σ = 1830361140. Its totient is φ = 1830361138.

The previous prime is 1830361123. The next prime is 1830361157. The reversal of 1830361139 is 9311630381.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1830361139 - 2⁴ = 1830361123 is a prime.

It is a super-2 number, since 2×1830361139² = 6700443798322754642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1830361099 and 1830361108.

It is not a weakly prime, because it can be changed into another prime (1830361109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915180569 + 915180570.

It is an arithmetic number, because the mean of its divisors is an integer number (915180570).

Almost surely, 2^1830361139 is an apocalyptic number.

1830361139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1830361139 is an equidigital number, since it uses as much as digits as its factorization.

1830361139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 1830361139 is about 42782.7200981892. The cubic root of 1830361139 is about 1223.2416564596.

The spelling of 1830361139 in words is "one billion, eight hundred thirty million, three hundred sixty-one thousand, one hundred thirty-nine".