140818411 has 4 divisors (see below), whose sum is σ = 144624352. Its totient is φ = 137012472.

The previous prime is 140818409. The next prime is 140818417. The reversal of 140818411 is 114818041.

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 140818411 - 2¹ = 140818409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140818411.

It is not an unprimeable number, because it can be changed into a prime (140818417) 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, 1902915 + ... + 1902988.

It is an arithmetic number, because the mean of its divisors is an integer number (36156088).

Almost surely, 2^140818411 is an apocalyptic number.

140818411 is a deficient number, since it is larger than the sum of its proper divisors (3805941).

140818411 is an equidigital number, since it uses as much as digits as its factorization.

140818411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805940.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 140818411 is about 11866.6933473483. The cubic root of 140818411 is about 520.2592531208.

The spelling of 140818411 in words is "one hundred forty million, eight hundred eighteen thousand, four hundred eleven".