133772341 has 2 divisors, whose sum is σ = 133772342. Its totient is φ = 133772340.

The previous prime is 133772339. The next prime is 133772351. The reversal of 133772341 is 143277331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118919025 + 14853316 = 10905^2 + 3854^2 .

It is a cyclic number.

It is not a de Polignac number, because 133772341 - 2¹ = 133772339 is a prime.

Together with 133772339, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133772311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66886170 + 66886171.

It is an arithmetic number, because the mean of its divisors is an integer number (66886171).

Almost surely, 2^133772341 is an apocalyptic number.

It is an amenable number.

133772341 is a deficient number, since it is larger than the sum of its proper divisors (1).

133772341 is an equidigital number, since it uses as much as digits as its factorization.

133772341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 31.

The square root of 133772341 is about 11565.9993515476. Note that the first 3 decimals coincide. The cubic root of 133772341 is about 511.4330335408.

The spelling of 133772341 in words is "one hundred thirty-three million, seven hundred seventy-two thousand, three hundred forty-one".