140244725 has 12 divisors (see below), whose sum is σ = 179901060. Its totient is φ = 108326400.

The previous prime is 140244721. The next prime is 140244733. The reversal of 140244725 is 527442041.

It can be written as a sum of positive squares in 6 ways, for example, as 23755876 + 116488849 = 4874^2 + 10793^2 .

It is not a de Polignac number, because 140244725 - 2² = 140244721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140244721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95996 + ... + 97445.

It is an arithmetic number, because the mean of its divisors is an integer number (14991755).

Almost surely, 2^140244725 is an apocalyptic number.

It is an amenable number.

140244725 is a deficient number, since it is larger than the sum of its proper divisors (39656335).

140244725 is a wasteful number, since it uses less digits than its factorization.

140244725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193480 (or 193475 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 140244725 is about 11842.4965695583. The cubic root of 140244725 is about 519.5517895680.

Adding to 140244725 its reverse (527442041), we get a palindrome (667686766).

The spelling of 140244725 in words is "one hundred forty million, two hundred forty-four thousand, seven hundred twenty-five".