140216425 has 24 divisors (see below), whose sum is σ = 184809600. Its totient is φ = 105166080.

The previous prime is 140216423. The next prime is 140216437. The reversal of 140216425 is 524612041.

It is a happy number.

It is not a de Polignac number, because 140216425 - 2¹ = 140216423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 140216425.

It is not an unprimeable number, because it can be changed into a prime (140216423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152116 + ... + 153034.

It is an arithmetic number, because the mean of its divisors is an integer number (7700400).

Almost surely, 2^140216425 is an apocalyptic number.

It is an amenable number.

140216425 is a deficient number, since it is larger than the sum of its proper divisors (44593175).

140216425 is a wasteful number, since it uses less digits than its factorization.

140216425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 140216425 is about 11841.3016598683. The cubic root of 140216425 is about 519.5168404110.

Adding to 140216425 its reverse (524612041), we get a palindrome (664828466).

The spelling of 140216425 in words is "one hundred forty million, two hundred sixteen thousand, four hundred twenty-five".