140087616 has 112 divisors (see below), whose sum is σ = 396337536. Its totient is φ = 43515904.

The previous prime is 140087581. The next prime is 140087617. The reversal of 140087616 is 616780041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140087617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544960 + ... + 545216.

It is an arithmetic number, because the mean of its divisors is an integer number (3538728).

Almost surely, 2^140087616 is an apocalyptic number.

140087616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140087616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198168768).

140087616 is an abundant number, since it is smaller than the sum of its proper divisors (256249920).

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

140087616 is a wasteful number, since it uses less digits than its factorization.

140087616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 140087616 is about 11835.8614388645. The cubic root of 140087616 is about 519.3577079685.

The spelling of 140087616 in words is "one hundred forty million, eighty-seven thousand, six hundred sixteen".