140084020 has 12 divisors (see below), whose sum is σ = 294176484. Its totient is φ = 56033600.

The previous prime is 140084011. The next prime is 140084039. The reversal of 140084020 is 20480041.

It can be written as a sum of positive squares in 2 ways, for example, as 70761744 + 69322276 = 8412^2 + 8326^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3502081 + ... + 3502120.

It is an arithmetic number, because the mean of its divisors is an integer number (24514707).

Almost surely, 2^140084020 is an apocalyptic number.

140084020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140084020 is an abundant number, since it is smaller than the sum of its proper divisors (154092464).

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

140084020 is a wasteful number, since it uses less digits than its factorization.

140084020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004210 (or 7004208 counting only the distinct ones).

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

The square root of 140084020 is about 11835.7095266824. The cubic root of 140084020 is about 519.3532640204.

The spelling of 140084020 in words is "one hundred forty million, eighty-four thousand, twenty".