1141639671 has 4 divisors (see below), whose sum is σ = 1522186232. Its totient is φ = 761093112.

The previous prime is 1141639669. The next prime is 1141639673. The reversal of 1141639671 is 1769361411.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1141639669) and next prime (1141639673).

It is not a de Polignac number, because 1141639671 - 2¹ = 1141639669 is a prime.

It is a super-2 number, since 2×1141639671² = 2606682276801976482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141639673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190273276 + ... + 190273281.

It is an arithmetic number, because the mean of its divisors is an integer number (380546558).

Almost surely, 2^1141639671 is an apocalyptic number.

1141639671 is a deficient number, since it is larger than the sum of its proper divisors (380546561).

1141639671 is an equidigital number, since it uses as much as digits as its factorization.

1141639671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380546560.

The product of its digits is 27216, while the sum is 39.

The square root of 1141639671 is about 33788.1587394164. The cubic root of 1141639671 is about 1045.1445267624.

The spelling of 1141639671 in words is "one billion, one hundred forty-one million, six hundred thirty-nine thousand, six hundred seventy-one".