133818190325 has 24 divisors (see below), whose sum is σ = 168796167336. Its totient is φ = 105211296000.

The previous prime is 133818190321. The next prime is 133818190379. The reversal of 133818190325 is 523091818331.

It can be written as a sum of positive squares in 12 ways, for example, as 82998152836 + 50820037489 = 288094^2 + 225433^2 .

It is not a de Polignac number, because 133818190325 - 2² = 133818190321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133818190321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1813655 + ... + 1885995.

It is an arithmetic number, because the mean of its divisors is an integer number (7033173639).

Almost surely, 2^133818190325 is an apocalyptic number.

It is an amenable number.

133818190325 is a deficient number, since it is larger than the sum of its proper divisors (34977977011).

133818190325 is a wasteful number, since it uses less digits than its factorization.

133818190325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73625 (or 73620 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 133818190325 in words is "one hundred thirty-three billion, eight hundred eighteen million, one hundred ninety thousand, three hundred twenty-five".