140401244 has 6 divisors (see below), whose sum is σ = 245702184. Its totient is φ = 70200620.

The previous prime is 140401243. The next prime is 140401253. The reversal of 140401244 is 442104041.

It is a happy number.

140401244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140401243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17550152 + ... + 17550159.

It is an arithmetic number, because the mean of its divisors is an integer number (40950364).

Almost surely, 2^140401244 is an apocalyptic number.

It is an amenable number.

140401244 is a deficient number, since it is larger than the sum of its proper divisors (105300940).

140401244 is a wasteful number, since it uses less digits than its factorization.

140401244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35100315 (or 35100313 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 140401244 is about 11849.1030884198. The cubic root of 140401244 is about 519.7449982448.

Adding to 140401244 its reverse (442104041), we get a palindrome (582505285).

The spelling of 140401244 in words is "one hundred forty million, four hundred one thousand, two hundred forty-four".