140421464 has 16 divisors (see below), whose sum is σ = 263779800. Its totient is φ = 70080192.

The previous prime is 140421431. The next prime is 140421511. The reversal of 140421464 is 464124041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11669 + ... + 20420.

Almost surely, 2^140421464 is an apocalyptic number.

It is an amenable number.

140421464 is a deficient number, since it is larger than the sum of its proper divisors (123358336).

140421464 is a wasteful number, since it uses less digits than its factorization.

140421464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32642 (or 32638 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 140421464 is about 11849.9562868392. The cubic root of 140421464 is about 519.7699475475.

The spelling of 140421464 in words is "one hundred forty million, four hundred twenty-one thousand, four hundred sixty-four".