11142340 has 24 divisors (see below), whose sum is σ = 25526592. Its totient is φ = 4051680.

The previous prime is 11142331. The next prime is 11142353. The reversal of 11142340 is 4324111.

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, 25104 + ... + 25543.

It is an arithmetic number, because the mean of its divisors is an integer number (1063608).

Almost surely, 2^11142340 is an apocalyptic number.

11142340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11142340 is an abundant number, since it is smaller than the sum of its proper divisors (14384252).

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

11142340 is a wasteful number, since it uses less digits than its factorization.

11142340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50667 (or 50665 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 11142340 is about 3338.0143798372. The cubic root of 11142340 is about 223.3531776134.

Subtracting from 11142340 its product of nonzero digits (96), we obtain a square (11142244 = 3338²).

Adding to 11142340 its reverse (4324111), we get a palindrome (15466451).

The spelling of 11142340 in words is "eleven million, one hundred forty-two thousand, three hundred forty".