133434025 has 12 divisors (see below), whose sum is σ = 169931212. Its totient is φ = 103861440.

The previous prime is 133433983. The next prime is 133434047. The reversal of 133434025 is 520434331.

It can be written as a sum of positive squares in 6 ways, for example, as 18429849 + 115004176 = 4293^2 + 10724^2 .

It is not a de Polignac number, because 133434025 - 2⁷ = 133433897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71202 + ... + 73051.

Almost surely, 2^133434025 is an apocalyptic number.

It is an amenable number.

133434025 is a deficient number, since it is larger than the sum of its proper divisors (36497187).

133434025 is a wasteful number, since it uses less digits than its factorization.

133434025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144300 (or 144295 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 133434025 is about 11551.3646379984. The cubic root of 133434025 is about 511.0015241930.

Adding to 133434025 its reverse (520434331), we get a palindrome (653868356).

The spelling of 133434025 in words is "one hundred thirty-three million, four hundred thirty-four thousand, twenty-five".