140219856 has 160 divisors (see below), whose sum is σ = 466041600. Its totient is φ = 39536640.

The previous prime is 140219837. The next prime is 140219869. The reversal of 140219856 is 658912041.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 140219856.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268876 + ... + 269396.

It is an arithmetic number, because the mean of its divisors is an integer number (2912760).

Almost surely, 2^140219856 is an apocalyptic number.

140219856 is a gapful number since it is divisible by the number (16) 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 140219856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233020800).

140219856 is an abundant number, since it is smaller than the sum of its proper divisors (325821744).

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

140219856 is a wasteful number, since it uses less digits than its factorization.

140219856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 140219856 is about 11841.4465332577. The cubic root of 140219856 is about 519.5210777837.

The spelling of 140219856 in words is "one hundred forty million, two hundred nineteen thousand, eight hundred fifty-six".