133252645730 has 16 divisors (see below), whose sum is σ = 245704879224. Its totient is φ = 52001032320.

The previous prime is 133252645723. The next prime is 133252645781. The reversal of 133252645730 is 37546252331.

It can be written as a sum of positive squares in 4 ways, for example, as 91688445601 + 41564200129 = 302801^2 + 203873^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162502817 + ... + 162503636.

Almost surely, 2^133252645730 is an apocalyptic number.

133252645730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133252645730 is a deficient number, since it is larger than the sum of its proper divisors (112452233494).

133252645730 is a wasteful number, since it uses less digits than its factorization.

133252645730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325006501.

The product of its (nonzero) digits is 453600, while the sum is 41.

The spelling of 133252645730 in words is "one hundred thirty-three billion, two hundred fifty-two million, six hundred forty-five thousand, seven hundred thirty".