140936420 has 24 divisors (see below), whose sum is σ = 300138048. Its totient is φ = 55580000.

The previous prime is 140936399. The next prime is 140936423. The reversal of 140936420 is 24639041.

140936420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140936423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 48206 + ... + 51045.

It is an arithmetic number, because the mean of its divisors is an integer number (12505752).

Almost surely, 2^140936420 is an apocalyptic number.

140936420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140936420 is an abundant number, since it is smaller than the sum of its proper divisors (159201628).

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

140936420 is a wasteful number, since it uses less digits than its factorization.

140936420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99331 (or 99329 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 140936420 is about 11871.6645842106. The cubic root of 140936420 is about 520.4045422004.

The spelling of 140936420 in words is "one hundred forty million, nine hundred thirty-six thousand, four hundred twenty".