135232801 has 16 divisors (see below), whose sum is σ = 157707648. Its totient is φ = 114716800.

The previous prime is 135232711. The next prime is 135232831. The reversal of 135232801 is 108232531.

It is not a de Polignac number, because 135232801 - 2²¹ = 133135649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135232831) 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 15 ways as a sum of consecutive naturals, for example, 3855 + ... + 16891.

It is an arithmetic number, because the mean of its divisors is an integer number (9856728).

Almost surely, 2^135232801 is an apocalyptic number.

135232801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

135232801 is a deficient number, since it is larger than the sum of its proper divisors (22474847).

135232801 is a wasteful number, since it uses less digits than its factorization.

135232801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13112.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 135232801 is about 11628.9638833389. The cubic root of 135232801 is about 513.2874917835.

The spelling of 135232801 in words is "one hundred thirty-five million, two hundred thirty-two thousand, eight hundred one".