1159941638 has 8 divisors (see below), whose sum is σ = 1786937232. Its totient is φ = 564295896.

The previous prime is 1159941613. The next prime is 1159941647. The reversal of 1159941638 is 8361499511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1159941638² = 2690929207132246088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1159941592 and 1159941601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7837370 + ... + 7837517.

It is an arithmetic number, because the mean of its divisors is an integer number (223367154).

Almost surely, 2^1159941638 is an apocalyptic number.

1159941638 is a deficient number, since it is larger than the sum of its proper divisors (626995594).

1159941638 is a wasteful number, since it uses less digits than its factorization.

1159941638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15674926.

The product of its digits is 233280, while the sum is 47.

The square root of 1159941638 is about 34057.9159374146. The cubic root of 1159941638 is about 1050.6999529447.

The spelling of 1159941638 in words is "one billion, one hundred fifty-nine million, nine hundred forty-one thousand, six hundred thirty-eight".