1138462298 has 4 divisors (see below), whose sum is σ = 1707693450. Its totient is φ = 569231148.

The previous prime is 1138462291. The next prime is 1138462301. The reversal of 1138462298 is 8922648311.

It is a happy number.

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., 933485809 + 204976489 = 30553^2 + 14317^2 .

It is not an unprimeable number, because it can be changed into a prime (1138462291) 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, 284615573 + ... + 284615576.

Almost surely, 2^1138462298 is an apocalyptic number.

1138462298 is a deficient number, since it is larger than the sum of its proper divisors (569231152).

1138462298 is an equidigital number, since it uses as much as digits as its factorization.

1138462298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569231151.

The product of its digits is 165888, while the sum is 44.

The square root of 1138462298 is about 33741.1069468682. The cubic root of 1138462298 is about 1044.1740221891.

The spelling of 1138462298 in words is "one billion, one hundred thirty-eight million, four hundred sixty-two thousand, two hundred ninety-eight".