133601051 has 2 divisors, whose sum is σ = 133601052. Its totient is φ = 133601050.

The previous prime is 133601021. The next prime is 133601063. The reversal of 133601051 is 150106331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133601051 - 2²² = 129406747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133601021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66800525 + 66800526.

It is an arithmetic number, because the mean of its divisors is an integer number (66800526).

Almost surely, 2^133601051 is an apocalyptic number.

133601051 is a deficient number, since it is larger than the sum of its proper divisors (1).

133601051 is an equidigital number, since it uses as much as digits as its factorization.

133601051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 133601051 is about 11558.5920855440. The cubic root of 133601051 is about 511.2146506247.

Adding to 133601051 its reverse (150106331), we get a palindrome (283707382).

The spelling of 133601051 in words is "one hundred thirty-three million, six hundred one thousand, fifty-one".