1138043098 has 4 divisors (see below), whose sum is σ = 1707064650. Its totient is φ = 569021548.

The previous prime is 1138043051. The next prime is 1138043099. The reversal of 1138043098 is 8903408311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8903408311 = 7 ⋅1271915473.

It can be written as a sum of positive squares in only one way, i.e., 603832329 + 534210769 = 24573^2 + 23113^2 .

It is not an unprimeable number, because it can be changed into a prime (1138043099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284510773 + ... + 284510776.

Almost surely, 2^1138043098 is an apocalyptic number.

1138043098 is a deficient number, since it is larger than the sum of its proper divisors (569021552).

1138043098 is an equidigital number, since it uses as much as digits as its factorization.

1138043098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569021551.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1138043098 is about 33734.8943677018. The cubic root of 1138043098 is about 1044.0458459386.

The spelling of 1138043098 in words is "one billion, one hundred thirty-eight million, forty-three thousand, ninety-eight".