140866908 has 72 divisors (see below), whose sum is σ = 406804608. Its totient is φ = 37147968.

The previous prime is 140866877. The next prime is 140866937. The reversal of 140866908 is 809668041.

140866908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 140866908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9235 + ... + 19157.

It is an arithmetic number, because the mean of its divisors is an integer number (5650064).

Almost surely, 2^140866908 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 140866908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203402304).

140866908 is an abundant number, since it is smaller than the sum of its proper divisors (265937700).

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

140866908 is a wasteful number, since it uses less digits than its factorization.

140866908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9963 (or 9948 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 140866908 is about 11868.7365797712. The cubic root of 140866908 is about 520.3189709680.

The spelling of 140866908 in words is "one hundred forty million, eight hundred sixty-six thousand, nine hundred eight".