1139807298 has 32 divisors (see below), whose sum is σ = 2668821120. Its totient is φ = 317715840.

The previous prime is 1139807281. The next prime is 1139807309. The reversal of 1139807298 is 8927089311.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329233 + ... + 332676.

It is an arithmetic number, because the mean of its divisors is an integer number (83400660).

Almost surely, 2^1139807298 is an apocalyptic number.

1139807298 is an abundant number, since it is smaller than the sum of its proper divisors (1529013822).

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

1139807298 is a wasteful number, since it uses less digits than its factorization.

1139807298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661962.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 1139807298 is about 33761.0322413282. The cubic root of 1139807298 is about 1044.5850624019.

It can be divided in two parts, 113980 and 7298, that added together give a triangular number (121278 = T₄₉₂).

The spelling of 1139807298 in words is "one billion, one hundred thirty-nine million, eight hundred seven thousand, two hundred ninety-eight".