1141702138 has 4 divisors (see below), whose sum is σ = 1712553210. Its totient is φ = 570851068.

The previous prime is 1141702123. The next prime is 1141702139. The reversal of 1141702138 is 8312071411.

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

It can be written as a sum of positive squares in only one way, i.e., 1116027649 + 25674489 = 33407^2 + 5067^2 .

It is not an unprimeable number, because it can be changed into a prime (1141702139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285425533 + ... + 285425536.

Almost surely, 2^1141702138 is an apocalyptic number.

1141702138 is a deficient number, since it is larger than the sum of its proper divisors (570851072).

1141702138 is an equidigital number, since it uses as much as digits as its factorization.

1141702138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570851071.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1141702138 is about 33789.0831186642. The cubic root of 1141702138 is about 1045.1635887759.

Adding to 1141702138 its reverse (8312071411), we get a palindrome (9453773549).

The spelling of 1141702138 in words is "one billion, one hundred forty-one million, seven hundred two thousand, one hundred thirty-eight".