1141309838 has 4 divisors (see below), whose sum is σ = 1711964760. Its totient is φ = 570654918.

The previous prime is 1141309837. The next prime is 1141309849. The reversal of 1141309838 is 8389031411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8389031411 = 19 ⋅441527969.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141309837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285327458 + ... + 285327461.

It is an arithmetic number, because the mean of its divisors is an integer number (427991190).

Almost surely, 2^1141309838 is an apocalyptic number.

1141309838 is a deficient number, since it is larger than the sum of its proper divisors (570654922).

1141309838 is an equidigital number, since it uses as much as digits as its factorization.

1141309838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570654921.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1141309838 is about 33783.2774904982. The cubic root of 1141309838 is about 1045.0438655915.

The spelling of 1141309838 in words is "one billion, one hundred forty-one million, three hundred nine thousand, eight hundred thirty-eight".