240143134 has 24 divisors (see below), whose sum is σ = 452504304. Its totient is φ = 93561600.

The previous prime is 240143047. The next prime is 240143179. The reversal of 240143134 is 431341042.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69187 + ... + 72574.

It is an arithmetic number, because the mean of its divisors is an integer number (18854346).

Almost surely, 2^240143134 is an apocalyptic number.

240143134 is a deficient number, since it is larger than the sum of its proper divisors (212361170).

240143134 is a wasteful number, since it uses less digits than its factorization.

240143134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141792 (or 141781 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 240143134 is about 15496.5523262434. The cubic root of 240143134 is about 621.5700184773.

Adding to 240143134 its reverse (431341042), we get a palindrome (671484176).

The spelling of 240143134 in words is "two hundred forty million, one hundred forty-three thousand, one hundred thirty-four".