133031545025 has 12 divisors (see below), whose sum is σ = 166145876400. Its totient is φ = 105659584080.

The previous prime is 133031545007. The next prime is 133031545027. The reversal of 133031545025 is 520545130331.

It is a de Polignac number, because none of the positive numbers 2^k-133031545025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133031544982 and 133031545000.

It is not an unprimeable number, because it can be changed into a prime (133031545027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19137755 + ... + 19144704.

It is an arithmetic number, because the mean of its divisors is an integer number (13845489700).

Almost surely, 2^133031545025 is an apocalyptic number.

It is an amenable number.

133031545025 is a deficient number, since it is larger than the sum of its proper divisors (33114331375).

133031545025 is a wasteful number, since it uses less digits than its factorization.

133031545025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38282608 (or 38282603 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 133031545025 its reverse (520545130331), we get a palindrome (653576675356).

The spelling of 133031545025 in words is "one hundred thirty-three billion, thirty-one million, five hundred forty-five thousand, twenty-five".