135225403 has 2 divisors, whose sum is σ = 135225404. Its totient is φ = 135225402.

The previous prime is 135225383. The next prime is 135225437. The reversal of 135225403 is 304522531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135225403 - 2¹⁷ = 135094331 is a prime.

It is not a weakly prime, because it can be changed into another prime (135225473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67612701 + 67612702.

It is an arithmetic number, because the mean of its divisors is an integer number (67612702).

Almost surely, 2^135225403 is an apocalyptic number.

135225403 is a deficient number, since it is larger than the sum of its proper divisors (1).

135225403 is an equidigital number, since it uses as much as digits as its factorization.

135225403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 135225403 is about 11628.6457939005. The cubic root of 135225403 is about 513.2781317020.

Adding to 135225403 its reverse (304522531), we get a palindrome (439747934).

The spelling of 135225403 in words is "one hundred thirty-five million, two hundred twenty-five thousand, four hundred three".