140414421 has 16 divisors (see below), whose sum is σ = 214890624. Its totient is φ = 79889664.

The previous prime is 140414419. The next prime is 140414459. The reversal of 140414421 is 124414041.

It is not a de Polignac number, because 140414421 - 2¹ = 140414419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140414821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9456 + ... + 19241.

It is an arithmetic number, because the mean of its divisors is an integer number (13430664).

Almost surely, 2^140414421 is an apocalyptic number.

It is an amenable number.

140414421 is a deficient number, since it is larger than the sum of its proper divisors (74476203).

140414421 is a wasteful number, since it uses less digits than its factorization.

140414421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28940.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 140414421 is about 11849.6591090208. The cubic root of 140414421 is about 519.7612575157.

Adding to 140414421 its reverse (124414041), we get a palindrome (264828462).

The spelling of 140414421 in words is "one hundred forty million, four hundred fourteen thousand, four hundred twenty-one".