140421463 has 24 divisors (see below), whose sum is σ = 180729248. Its totient is φ = 106235712.

The previous prime is 140421431. The next prime is 140421511. The reversal of 140421463 is 364124041.

It is not a de Polignac number, because 140421463 - 2⁵ = 140421431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140421163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46681 + ... + 49597.

Almost surely, 2^140421463 is an apocalyptic number.

140421463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140421463 is a deficient number, since it is larger than the sum of its proper divisors (40307785).

140421463 is a wasteful number, since it uses less digits than its factorization.

140421463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983 (or 2960 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 140421463 is about 11849.9562446450. The cubic root of 140421463 is about 519.7699463137.

The spelling of 140421463 in words is "one hundred forty million, four hundred twenty-one thousand, four hundred sixty-three".