140155411 has 4 divisors (see below), whose sum is σ = 152896824. Its totient is φ = 127414000.

The previous prime is 140155391. The next prime is 140155423. The reversal of 140155411 is 114551041.

It is a happy number.

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 140155411 - 2⁷ = 140155283 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140155441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6370690 + ... + 6370711.

It is an arithmetic number, because the mean of its divisors is an integer number (38224206).

Almost surely, 2^140155411 is an apocalyptic number.

140155411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140155411 is a deficient number, since it is larger than the sum of its proper divisors (12741413).

140155411 is a wasteful number, since it uses less digits than its factorization.

140155411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12741412.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 140155411 is about 11838.7250580457. The cubic root of 140155411 is about 519.4414750148.

It can be divided in two parts, 140 and 155411, that added together give a palindrome (155551).

The spelling of 140155411 in words is "one hundred forty million, one hundred fifty-five thousand, four hundred eleven".