133043253250 has 16 divisors (see below), whose sum is σ = 249056970552. Its totient is φ = 53217301200.

The previous prime is 133043253247. The next prime is 133043253331. The reversal of 133043253250 is 52352340331.

It can be written as a sum of positive squares in 4 ways, for example, as 6293724889 + 126749528361 = 79333^2 + 356019^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266086257 + ... + 266086756.

Almost surely, 2^133043253250 is an apocalyptic number.

133043253250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133043253250 is a deficient number, since it is larger than the sum of its proper divisors (116013717302).

133043253250 is an equidigital number, since it uses as much as digits as its factorization.

133043253250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532173030 (or 532173020 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 133043253250 its reverse (52352340331), we get a palindrome (185395593581).

The spelling of 133043253250 in words is "one hundred thirty-three billion, forty-three million, two hundred fifty-three thousand, two hundred fifty".