1141639258 has 4 divisors (see below), whose sum is σ = 1712458890. Its totient is φ = 570819628.

The previous prime is 1141639243. The next prime is 1141639273. The reversal of 1141639258 is 8529361411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8529361411 = 20747 ⋅411113.

It is an interprime number because it is at equal distance from previous prime (1141639243) and next prime (1141639273).

It can be written as a sum of positive squares in only one way, i.e., 864183609 + 277455649 = 29397^2 + 16657^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1141639258.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285409813 + ... + 285409816.

Almost surely, 2^1141639258 is an apocalyptic number.

1141639258 is a deficient number, since it is larger than the sum of its proper divisors (570819632).

1141639258 is an equidigital number, since it uses as much as digits as its factorization.

1141639258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570819631.

The product of its digits is 51840, while the sum is 40.

The square root of 1141639258 is about 33788.1526278073. The cubic root of 1141639258 is about 1045.1444007318.

The spelling of 1141639258 in words is "one billion, one hundred forty-one million, six hundred thirty-nine thousand, two hundred fifty-eight".