140730616 has 16 divisors (see below), whose sum is σ = 284167800. Its totient is φ = 64952544.

The previous prime is 140730563. The next prime is 140730637. The reversal of 140730616 is 616037041.

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, 676486 + ... + 676693.

Almost surely, 2^140730616 is an apocalyptic number.

It is an amenable number.

140730616 is an abundant number, since it is smaller than the sum of its proper divisors (143437184).

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

140730616 is a wasteful number, since it uses less digits than its factorization.

140730616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353198 (or 1353194 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 140730616 is about 11862.9935513765. The cubic root of 140730616 is about 520.1511099300.

Adding to 140730616 its reverse (616037041), we get a palindrome (756767657).

It can be divided in two parts, 1407 and 30616, that added together give a palindrome (32023).

The spelling of 140730616 in words is "one hundred forty million, seven hundred thirty thousand, six hundred sixteen".