140421130 has 16 divisors (see below), whose sum is σ = 252904680. Its totient is φ = 56135872.

The previous prime is 140421119. The next prime is 140421163. The reversal of 140421130 is 31124041.

It can be written as a sum of positive squares in 4 ways, for example, as 95785369 + 44635761 = 9787^2 + 6681^2 .

It is an unprimeable number.

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, 21936 + ... + 27604.

Almost surely, 2^140421130 is an apocalyptic number.

140421130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140421130 is a deficient number, since it is larger than the sum of its proper divisors (112483550).

140421130 is a wasteful number, since it uses less digits than its factorization.

140421130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8153.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140421130 is about 11849.9421939518. The cubic root of 140421130 is about 519.7695354469.

Adding to 140421130 its reverse (31124041), we get a palindrome (171545171).

The spelling of 140421130 in words is "one hundred forty million, four hundred twenty-one thousand, one hundred thirty".