140325601 has 6 divisors (see below), whose sum is σ = 151950390. Its totient is φ = 129531168.

The previous prime is 140325593. The next prime is 140325613. The reversal of 140325601 is 106523041.

It can be written as a sum of positive squares in 3 ways, for example, as 8994001 + 131331600 = 2999^2 + 11460^2 .

It is not a de Polignac number, because 140325601 - 2³ = 140325593 is a prime.

It is a super-2 number, since 2×140325601² = 39382548592022402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140325631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 414996 + ... + 415333.

It is an arithmetic number, because the mean of its divisors is an integer number (25325065).

Almost surely, 2^140325601 is an apocalyptic number.

It is an amenable number.

140325601 is a deficient number, since it is larger than the sum of its proper divisors (11624789).

140325601 is an equidigital number, since it uses as much as digits as its factorization.

140325601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830355 (or 830342 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 140325601 is about 11845.9107290238. The cubic root of 140325601 is about 519.6516416800.

Adding to 140325601 its reverse (106523041), we get a palindrome (246848642).

The spelling of 140325601 in words is "one hundred forty million, three hundred twenty-five thousand, six hundred one".