140134816 has 24 divisors (see below), whose sum is σ = 276956064. Its totient is φ = 69796800.

The previous prime is 140134801. The next prime is 140134817. The reversal of 140134816 is 618431041.

It is not an unprimeable number, because it can be changed into a prime (140134817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91 + ... + 16741.

It is an arithmetic number, because the mean of its divisors is an integer number (11539836).

Almost surely, 2^140134816 is an apocalyptic number.

140134816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140134816 is a deficient number, since it is larger than the sum of its proper divisors (136821248).

140134816 is a wasteful number, since it uses less digits than its factorization.

140134816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16924 (or 16916 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 140134816 is about 11837.8552111436. The cubic root of 140134816 is about 519.4160308283.

Adding to 140134816 its reverse (618431041), we get a palindrome (758565857).

The spelling of 140134816 in words is "one hundred forty million, one hundred thirty-four thousand, eight hundred sixteen".