140317220 has 24 divisors (see below), whose sum is σ = 296991744. Its totient is φ = 55683936.

The previous prime is 140317217. The next prime is 140317237. The reversal of 140317220 is 22713041.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 140317192 and 140317201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25082 + ... + 30161.

It is an arithmetic number, because the mean of its divisors is an integer number (12374656).

Almost surely, 2^140317220 is an apocalyptic number.

140317220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140317220 is an abundant number, since it is smaller than the sum of its proper divisors (156674524).

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

140317220 is a wasteful number, since it uses less digits than its factorization.

140317220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55379 (or 55377 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 140317220 is about 11845.5569729751. The cubic root of 140317220 is about 519.6412960099.

The spelling of 140317220 in words is "one hundred forty million, three hundred seventeen thousand, two hundred twenty".