140910066 has 72 divisors (see below), whose sum is σ = 346574592. Its totient is φ = 41302800.

The previous prime is 140910047. The next prime is 140910073. The reversal of 140910066 is 660019041.

140910066 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 an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 66475 + ... + 68561.

It is an arithmetic number, because the mean of its divisors is an integer number (4813536).

Almost surely, 2^140910066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140910066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173287296).

140910066 is an abundant number, since it is smaller than the sum of its proper divisors (205664526).

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

140910066 is a wasteful number, since it uses less digits than its factorization.

140910066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148 (or 2134 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 140910066 is about 11870.5545784517. The cubic root of 140910066 is about 520.3721029954.

The spelling of 140910066 in words is "one hundred forty million, nine hundred ten thousand, sixty-six".