140220126 has 16 divisors (see below), whose sum is σ = 311600400. Its totient is φ = 46740024.

The previous prime is 140220103. The next prime is 140220137. The reversal of 140220126 is 621022041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140220099 and 140220108.

It is a congruent number.

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, 1298281 + ... + 1298388.

It is an arithmetic number, because the mean of its divisors is an integer number (19475025).

Almost surely, 2^140220126 is an apocalyptic number.

140220126 is an abundant number, since it is smaller than the sum of its proper divisors (171380274).

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

140220126 is a wasteful number, since it uses less digits than its factorization.

140220126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596680 (or 2596674 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 140220126 is about 11841.4579338864. The cubic root of 140220126 is about 519.5214112377.

Adding to 140220126 its reverse (621022041), we get a palindrome (761242167).

It can be divided in two parts, 1402 and 20126, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 140220126 in words is "one hundred forty million, two hundred twenty thousand, one hundred twenty-six".