140420212210 has 8 divisors (see below), whose sum is σ = 252756381996. Its totient is φ = 56168084880.

The previous prime is 140420212189. The next prime is 140420212243. The reversal of 140420212210 is 12212024041.

It can be written as a sum of positive squares in 2 ways, for example, as 134415357129 + 6004855081 = 366627^2 + 77491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7021010601 + ... + 7021010620.

Almost surely, 2^140420212210 is an apocalyptic number.

140420212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140420212210 is a deficient number, since it is larger than the sum of its proper divisors (112336169786).

140420212210 is a wasteful number, since it uses less digits than its factorization.

140420212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14042021228.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 140420212210 its reverse (12212024041), we get a palindrome (152632236251).

The spelling of 140420212210 in words is "one hundred forty billion, four hundred twenty million, two hundred twelve thousand, two hundred ten".