140011420 has 48 divisors (see below), whose sum is σ = 305595360. Its totient is φ = 53819136.

The previous prime is 140011411. The next prime is 140011423. The reversal of 140011420 is 24110041.

It is a self number, because there is not a number n which added to its sum of digits gives 140011420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140011423) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 163714 + ... + 164566.

It is an arithmetic number, because the mean of its divisors is an integer number (6366570).

Almost surely, 2^140011420 is an apocalyptic number.

140011420 is a gapful number since it is divisible by the number (10) 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 140011420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152797680).

140011420 is an abundant number, since it is smaller than the sum of its proper divisors (165583940).

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

140011420 is a wasteful number, since it uses less digits than its factorization.

140011420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 140011420 is about 11832.6421394378. The cubic root of 140011420 is about 519.2635284400.

Adding to 140011420 its reverse (24110041), we get a palindrome (164121461).

The spelling of 140011420 in words is "one hundred forty million, eleven thousand, four hundred twenty".