140217084 has 72 divisors (see below), whose sum is σ = 408087680. Its totient is φ = 39763872.

The previous prime is 140217079. The next prime is 140217113. The reversal of 140217084 is 480712041.

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, 33027 + ... + 37029.

Almost surely, 2^140217084 is an apocalyptic number.

140217084 is a gapful number since it is divisible by the number (14) 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 140217084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204043840).

140217084 is an abundant number, since it is smaller than the sum of its proper divisors (267870596).

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

140217084 is a wasteful number, since it uses less digits than its factorization.

140217084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159 (or 4154 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 140217084 is about 11841.3294861684. The cubic root of 140217084 is about 519.5176542982.

The spelling of 140217084 in words is "one hundred forty million, two hundred seventeen thousand, eighty-four".