140300420 has 96 divisors (see below), whose sum is σ = 332666880. Its totient is φ = 49645440.

The previous prime is 140300417. The next prime is 140300423. The reversal of 140300420 is 24003041.

It is an interprime number because it is at equal distance from previous prime (140300417) and next prime (140300423).

It is a junction number, because it is equal to n+sod(n) for n = 140300395 and 140300404.

It is not an unprimeable number, because it can be changed into a prime (140300423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1362089 + ... + 1362191.

It is an arithmetic number, because the mean of its divisors is an integer number (3465280).

Almost surely, 2^140300420 is an apocalyptic number.

140300420 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 140300420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166333440).

140300420 is an abundant number, since it is smaller than the sum of its proper divisors (192366460).

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

140300420 is a wasteful number, since it uses less digits than its factorization.

140300420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 140300420 is about 11844.8478251094. The cubic root of 140300420 is about 519.6205565212.

Adding to 140300420 its reverse (24003041), we get a palindrome (164303461).

The spelling of 140300420 in words is "one hundred forty million, three hundred thousand, four hundred twenty".