140401411 has 4 divisors (see below), whose sum is σ = 142324792. Its totient is φ = 138478032.

The previous prime is 140401403. The next prime is 140401423. The reversal of 140401411 is 114104041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140401411 - 2³ = 140401403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140401451) by changing a digit.

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, 961581 + ... + 961726.

It is an arithmetic number, because the mean of its divisors is an integer number (35581198).

Almost surely, 2^140401411 is an apocalyptic number.

140401411 is a deficient number, since it is larger than the sum of its proper divisors (1923381).

140401411 is an equidigital number, since it uses as much as digits as its factorization.

140401411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923380.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 140401411 is about 11849.1101353646. The cubic root of 140401411 is about 519.7452043146.

Adding to 140401411 its reverse (114104041), we get a palindrome (254505452).

It can be divided in two parts, 14040 and 1411, that added together give a palindrome (15451).

The spelling of 140401411 in words is "one hundred forty million, four hundred one thousand, four hundred eleven".