140606688 has 96 divisors (see below), whose sum is σ = 391789440. Its totient is φ = 44029440.

The previous prime is 140606663. The next prime is 140606693. The reversal of 140606688 is 886606041.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286123 + ... + 286613.

It is an arithmetic number, because the mean of its divisors is an integer number (4081140).

Almost surely, 2^140606688 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 140606688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195894720).

140606688 is an abundant number, since it is smaller than the sum of its proper divisors (251182752).

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

140606688 is a wasteful number, since it uses less digits than its factorization.

140606688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 140606688 is about 11857.7690987808. The cubic root of 140606688 is about 519.9983826380.

The spelling of 140606688 in words is "one hundred forty million, six hundred six thousand, six hundred eighty-eight".