140004120 has 64 divisors (see below), whose sum is σ = 424764000. Its totient is φ = 36912128.

The previous prime is 140004097. The next prime is 140004121. The reversal of 140004120 is 21400041.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 140004096 and 140004105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140004121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4126 + ... + 17234.

Almost surely, 2^140004120 is an apocalyptic number.

140004120 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 140004120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212382000).

140004120 is an abundant number, since it is smaller than the sum of its proper divisors (284759880).

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

140004120 is a wasteful number, since it uses less digits than its factorization.

140004120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13212 (or 13208 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 140004120 is about 11832.3336666948. Note that the first 3 decimals coincide. The cubic root of 140004120 is about 519.2545037246.

Adding to 140004120 its reverse (21400041), we get a palindrome (161404161).

The spelling of 140004120 in words is "one hundred forty million, four thousand, one hundred twenty".