140425344 has 96 divisors (see below), whose sum is σ = 409468800. Its totient is φ = 46185984.

The previous prime is 140425339. The next prime is 140425349. The reversal of 140425344 is 443524041.

It is a happy number.

140425344 is a `hidden beast` number, since 1 + 404 + 253 + 4 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (140425339) and next prime (140425349).

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (140425349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90237 + ... + 91779.

It is an arithmetic number, because the mean of its divisors is an integer number (4265300).

Almost surely, 2^140425344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140425344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204734400).

140425344 is an abundant number, since it is smaller than the sum of its proper divisors (269043456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140425344 is a wasteful number, since it uses less digits than its factorization.

140425344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642 (or 1627 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 140425344 is about 11850.1199993924. The cubic root of 140425344 is about 519.7747347758.

Adding to 140425344 its reverse (443524041), we get a palindrome (583949385).

The spelling of 140425344 in words is "one hundred forty million, four hundred twenty-five thousand, three hundred forty-four".