11400142 has 8 divisors (see below), whose sum is σ = 18415656. Its totient is φ = 5261592.

The previous prime is 11400131. The next prime is 11400199. The reversal of 11400142 is 24100411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219208 + ... + 219259.

It is an arithmetic number, because the mean of its divisors is an integer number (2301957).

Almost surely, 2^11400142 is an apocalyptic number.

11400142 is a deficient number, since it is larger than the sum of its proper divisors (7015514).

11400142 is a wasteful number, since it uses less digits than its factorization.

11400142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438482.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 11400142 is about 3376.4096315465. The cubic root of 11400142 is about 225.0626459306.

Adding to 11400142 its reverse (24100411), we get a palindrome (35500553).

The spelling of 11400142 in words is "eleven million, four hundred thousand, one hundred forty-two".