11430140 has 24 divisors (see below), whose sum is σ = 24086160. Its totient is φ = 4556288.

The previous prime is 11430101. The next prime is 11430157. The reversal of 11430140 is 4103411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6251 + ... + 7869.

It is an arithmetic number, because the mean of its divisors is an integer number (1003590).

Almost surely, 2^11430140 is an apocalyptic number.

11430140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11430140 is an abundant number, since it is smaller than the sum of its proper divisors (12656020).

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

11430140 is a wasteful number, since it uses less digits than its factorization.

11430140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11430140 is about 3380.8490057972. The cubic root of 11430140 is about 225.2598807854.

Adding to 11430140 its reverse (4103411), we get a palindrome (15533551).

The spelling of 11430140 in words is "eleven million, four hundred thirty thousand, one hundred forty".