1137729798 has 48 divisors (see below), whose sum is σ = 2619049680. Its totient is φ = 356263488.

The previous prime is 1137729793. The next prime is 1137729833. The reversal of 1137729798 is 8979277311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137729793) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 10140 + ... + 48767.

It is an arithmetic number, because the mean of its divisors is an integer number (54563535).

Almost surely, 2^1137729798 is an apocalyptic number.

1137729798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1137729798 is an abundant number, since it is smaller than the sum of its proper divisors (1481319882).

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

1137729798 is a wasteful number, since it uses less digits than its factorization.

1137729798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58981 (or 58978 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 54.

The square root of 1137729798 is about 33730.2504882487. The cubic root of 1137729798 is about 1043.9500295367.

The spelling of 1137729798 in words is "one billion, one hundred thirty-seven million, seven hundred twenty-nine thousand, seven hundred ninety-eight".