1141916238 has 64 divisors (see below), whose sum is σ = 2634220800. Its totient is φ = 366236640.

The previous prime is 1141916221. The next prime is 1141916239. The reversal of 1141916238 is 8326191411.

1141916238 is a `hidden beast` number, since 1 + 1 + 419 + 1 + 6 + 238 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141916239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517245 + ... + 519447.

It is an arithmetic number, because the mean of its divisors is an integer number (41159700).

Almost surely, 2^1141916238 is an apocalyptic number.

1141916238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141916238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1317110400).

1141916238 is an abundant number, since it is smaller than the sum of its proper divisors (1492304562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1141916238 is a wasteful number, since it uses less digits than its factorization.

1141916238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574 (or 2568 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1141916238 is about 33792.2511531860. The cubic root of 1141916238 is about 1045.2289168303.

The spelling of 1141916238 in words is "one billion, one hundred forty-one million, nine hundred sixteen thousand, two hundred thirty-eight".