135143325 has 36 divisors (see below), whose sum is σ = 245152960. Its totient is φ = 71154720.

The previous prime is 135143321. The next prime is 135143329. The reversal of 135143325 is 523341531.

135143325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135143321) and next prime (135143329).

It is not a de Polignac number, because 135143325 - 2² = 135143321 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135143321) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13974 + ... + 21576.

Almost surely, 2^135143325 is an apocalyptic number.

135143325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135143325 is a deficient number, since it is larger than the sum of its proper divisors (110009635).

135143325 is a wasteful number, since it uses less digits than its factorization.

135143325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7698 (or 7690 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 135143325 is about 11625.1161284522. The cubic root of 135143325 is about 513.1742622414.

Adding to 135143325 its reverse (523341531), we get a palindrome (658484856).

The spelling of 135143325 in words is "one hundred thirty-five million, one hundred forty-three thousand, three hundred twenty-five".