135400325 has 12 divisors (see below), whose sum is σ = 177773220. Its totient is φ = 101948160.

The previous prime is 135400303. The next prime is 135400361. The reversal of 135400325 is 523004531.

It can be written as a sum of positive squares in 6 ways, for example, as 8116801 + 127283524 = 2849^2 + 11282^2 .

It is a de Polignac number, because none of the positive numbers 2^k-135400325 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135400325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158870 + ... + 159719.

It is an arithmetic number, because the mean of its divisors is an integer number (14814435).

Almost surely, 2^135400325 is an apocalyptic number.

It is an amenable number.

135400325 is a deficient number, since it is larger than the sum of its proper divisors (42372895).

135400325 is a wasteful number, since it uses less digits than its factorization.

135400325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318616 (or 318611 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 135400325 is about 11636.1645313222. The cubic root of 135400325 is about 513.4993548098.

Adding to 135400325 its reverse (523004531), we get a palindrome (658404856).

The spelling of 135400325 in words is "one hundred thirty-five million, four hundred thousand, three hundred twenty-five".