140441655 has 16 divisors (see below), whose sum is σ = 229933440. Its totient is φ = 73159968.

The previous prime is 140441629. The next prime is 140441659. The reversal of 140441655 is 556144041.

It is not a de Polignac number, because 140441655 - 2¹⁰ = 140440631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140441659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108225 + ... + 109514.

It is an arithmetic number, because the mean of its divisors is an integer number (14370840).

Almost surely, 2^140441655 is an apocalyptic number.

140441655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140441655 is a deficient number, since it is larger than the sum of its proper divisors (89491785).

140441655 is a wasteful number, since it uses less digits than its factorization.

140441655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217790.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 140441655 is about 11850.8082002874. The cubic root of 140441655 is about 519.7948586775.

Adding to 140441655 its reverse (556144041), we get a palindrome (696585696).

The spelling of 140441655 in words is "one hundred forty million, four hundred forty-one thousand, six hundred fifty-five".