1113278190 has 64 divisors (see below), whose sum is σ = 2750644224. Its totient is φ = 288223488.

The previous prime is 1113278171. The next prime is 1113278203. The reversal of 1113278190 is 918723111.

It is a super-2 number, since 2×1113278190² = 2478776656659352200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175962 + ... + 182178.

It is an arithmetic number, because the mean of its divisors is an integer number (42978816).

Almost surely, 2^1113278190 is an apocalyptic number.

1113278190 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 1113278190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375322112).

1113278190 is an abundant number, since it is smaller than the sum of its proper divisors (1637366034).

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

1113278190 is a wasteful number, since it uses less digits than its factorization.

1113278190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401.

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 1113278190 is about 33365.8236823250. The cubic root of 1113278190 is about 1036.4170931532.

The spelling of 1113278190 in words is "one billion, one hundred thirteen million, two hundred seventy-eight thousand, one hundred ninety".