140086908 has 120 divisors (see below), whose sum is σ = 400326080. Its totient is φ = 42456960.

The previous prime is 140086889. The next prime is 140086939. The reversal of 140086908 is 809680041.

It is a happy number.

140086908 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 (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 332538 + ... + 332958.

Almost surely, 2^140086908 is an apocalyptic number.

140086908 is a gapful number since it is divisible by the number (18) 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 140086908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200163040).

140086908 is an abundant number, since it is smaller than the sum of its proper divisors (260239172).

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

140086908 is a wasteful number, since it uses less digits than its factorization.

140086908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 140086908 is about 11835.8315297236. The cubic root of 140086908 is about 519.3568330259.

The spelling of 140086908 in words is "one hundred forty million, eighty-six thousand, nine hundred eight".