140463420 has 24 divisors (see below), whose sum is σ = 393297744. Its totient is φ = 37456896.

The previous prime is 140463403. The next prime is 140463431. The reversal of 140463420 is 24364041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170469 + ... + 1170588.

It is an arithmetic number, because the mean of its divisors is an integer number (16387406).

Almost surely, 2^140463420 is an apocalyptic number.

140463420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140463420 is an abundant number, since it is smaller than the sum of its proper divisors (252834324).

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

140463420 is a wasteful number, since it uses less digits than its factorization.

140463420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341069 (or 2341067 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 140463420 is about 11851.7264565126. The cubic root of 140463420 is about 519.8217090939.

The spelling of 140463420 in words is "one hundred forty million, four hundred sixty-three thousand, four hundred twenty".