140742616 has 32 divisors (see below), whose sum is σ = 306542880. Its totient is φ = 59328000.

The previous prime is 140742607. The next prime is 140742617. The reversal of 140742616 is 616247041.

140742616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140742617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17185 + ... + 24016.

It is an arithmetic number, because the mean of its divisors is an integer number (9579465).

Almost surely, 2^140742616 is an apocalyptic number.

It is an amenable number.

140742616 is an abundant number, since it is smaller than the sum of its proper divisors (165800264).

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

140742616 is a wasteful number, since it uses less digits than its factorization.

140742616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41275 (or 41271 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 140742616 is about 11863.4993151262. The cubic root of 140742616 is about 520.1658938154.

Adding to 140742616 its reverse (616247041), we get a palindrome (756989657).

The spelling of 140742616 in words is "one hundred forty million, seven hundred forty-two thousand, six hundred sixteen".