133001552 has 20 divisors (see below), whose sum is σ = 257879700. Its totient is φ = 66451968.

The previous prime is 133001551. The next prime is 133001593. The reversal of 133001552 is 255100331.

It can be written as a sum of positive squares in 2 ways, for example, as 49900096 + 83101456 = 7064^2 + 9116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133001551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30824 + ... + 34872.

It is an arithmetic number, because the mean of its divisors is an integer number (12893985).

Almost surely, 2^133001552 is an apocalyptic number.

It is an amenable number.

133001552 is a deficient number, since it is larger than the sum of its proper divisors (124878148).

133001552 is a wasteful number, since it uses less digits than its factorization.

133001552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110 (or 6104 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 133001552 is about 11532.6298822081. The cubic root of 133001552 is about 510.4488576900.

Adding to 133001552 its reverse (255100331), we get a palindrome (388101883).

The spelling of 133001552 in words is "one hundred thirty-three million, one thousand, five hundred fifty-two".