140065016 has 64 divisors (see below), whose sum is σ = 324703680. Its totient is φ = 55157760.

The previous prime is 140064973. The next prime is 140065021. The reversal of 140065016 is 610560041.

It is a junction number, because it is equal to n+sod(n) for n = 140064982 and 140065000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306260 + ... + 306716.

It is an arithmetic number, because the mean of its divisors is an integer number (5073495).

Almost surely, 2^140065016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140065016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162351840).

140065016 is an abundant number, since it is smaller than the sum of its proper divisors (184638664).

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

140065016 is a wasteful number, since it uses less digits than its factorization.

140065016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 140065016 is about 11834.9066747482. The cubic root of 140065016 is about 519.3297775542.

The spelling of 140065016 in words is "one hundred forty million, sixty-five thousand, sixteen".