1130143890 has 32 divisors (see below), whose sum is σ = 2719529280. Its totient is φ = 300573504.

The previous prime is 1130143877. The next prime is 1130143919. The reversal of 1130143890 is 983410311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38329 + ... + 61068.

It is an arithmetic number, because the mean of its divisors is an integer number (84985290).

Almost surely, 2^1130143890 is an apocalyptic number.

1130143890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1130143890 is an abundant number, since it is smaller than the sum of its proper divisors (1589385390).

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

1130143890 is a wasteful number, since it uses less digits than its factorization.

1130143890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99786.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1130143890 is about 33617.6127944862. The cubic root of 1130143890 is about 1041.6246457573.

The spelling of 1130143890 in words is "one billion, one hundred thirty million, one hundred forty-three thousand, eight hundred ninety".