140234616 has 24 divisors (see below), whose sum is σ = 379802280. Its totient is φ = 46744848.

The previous prime is 140234597. The next prime is 140234621. The reversal of 140234616 is 616432041.

140234616 is a `hidden beast` number, since 1 + 40 + 2 + 3 + 4 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 140234616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 973780 + ... + 973923.

It is an arithmetic number, because the mean of its divisors is an integer number (15825095).

Almost surely, 2^140234616 is an apocalyptic number.

It is an amenable number.

140234616 is an abundant number, since it is smaller than the sum of its proper divisors (239567664).

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

140234616 is a wasteful number, since it uses less digits than its factorization.

140234616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947715 (or 1947708 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 140234616 is about 11842.0697515257. The cubic root of 140234616 is about 519.5393059726.

Adding to 140234616 its reverse (616432041), we get a palindrome (756666657).

The spelling of 140234616 in words is "one hundred forty million, two hundred thirty-four thousand, six hundred sixteen".