1137998190 has 128 divisors (see below), whose sum is σ = 3319418880. Its totient is φ = 244591104.

The previous prime is 1137998131. The next prime is 1137998219. The reversal of 1137998190 is 918997311.

It is a happy number.

It is a super-2 number, since 2×1137998190² = 2590079760886552200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 63 ways as a sum of consecutive naturals, for example, 1031179 + ... + 1032281.

It is an arithmetic number, because the mean of its divisors is an integer number (25932960).

Almost surely, 2^1137998190 is an apocalyptic number.

1137998190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1137998190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1659709440).

1137998190 is an abundant number, since it is smaller than the sum of its proper divisors (2181420690).

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

1137998190 is a wasteful number, since it uses less digits than its factorization.

1137998190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 48.

The square root of 1137998190 is about 33734.2287595255. The cubic root of 1137998190 is about 1044.0321128244.

The spelling of 1137998190 in words is "one billion, one hundred thirty-seven million, nine hundred ninety-eight thousand, one hundred ninety".