135232512025 has 24 divisors (see below), whose sum is σ = 183648245760. Its totient is φ = 98171384640.

The previous prime is 135232512011. The next prime is 135232512091. The reversal of 135232512025 is 520215232531.

It is not a de Polignac number, because 135232512025 - 2¹¹ = 135232509977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3507097 + ... + 3545446.

It is an arithmetic number, because the mean of its divisors is an integer number (7652010240).

Almost surely, 2^135232512025 is an apocalyptic number.

It is an amenable number.

135232512025 is a deficient number, since it is larger than the sum of its proper divisors (48415733735).

135232512025 is a wasteful number, since it uses less digits than its factorization.

135232512025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7052625 (or 7052620 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 135232512025 its reverse (520215232531), we get a palindrome (655447744556).

The spelling of 135232512025 in words is "one hundred thirty-five billion, two hundred thirty-two million, five hundred twelve thousand, twenty-five".