133711025 has 24 divisors (see below), whose sum is σ = 196029120. Its totient is φ = 88522560.

The previous prime is 133711013. The next prime is 133711027. The reversal of 133711025 is 520117331.

It is not a de Polignac number, because 133711025 - 2⁴ = 133711009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133711027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8099 + ... + 18248.

It is an arithmetic number, because the mean of its divisors is an integer number (8167880).

Almost surely, 2^133711025 is an apocalyptic number.

It is an amenable number.

133711025 is a deficient number, since it is larger than the sum of its proper divisors (62318095).

133711025 is a wasteful number, since it uses less digits than its factorization.

133711025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26393 (or 26388 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 133711025 is about 11563.3483472565. The cubic root of 133711025 is about 511.3548813106.

Adding to 133711025 its reverse (520117331), we get a palindrome (653828356).

The spelling of 133711025 in words is "one hundred thirty-three million, seven hundred eleven thousand, twenty-five".