140801843 has 30 divisors (see below), whose sum is σ = 178378884. Its totient is φ = 111082608.

The previous prime is 140801821. The next prime is 140801849. The reversal of 140801843 is 348108041.

140801843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140801843 - 2⁸ = 140801587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140801849) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 405596 + ... + 405942.

Almost surely, 2^140801843 is an apocalyptic number.

140801843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140801843 is a deficient number, since it is larger than the sum of its proper divisors (37577041).

140801843 is an frugal number, since it uses more digits than its factorization.

140801843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 140801843 is about 11865.9952384956. The cubic root of 140801843 is about 520.2388486076.

Adding to 140801843 its reverse (348108041), we get a palindrome (488909884).

The spelling of 140801843 in words is "one hundred forty million, eight hundred one thousand, eight hundred forty-three".