133699051 has 2 divisors, whose sum is σ = 133699052. Its totient is φ = 133699050.

The previous prime is 133699043. The next prime is 133699081. The reversal of 133699051 is 150996331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133699051 - 2³ = 133699043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133699051.

It is not a weakly prime, because it can be changed into another prime (133699081) by changing a digit.

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 as a sum of consecutive naturals, namely, 66849525 + 66849526.

It is an arithmetic number, because the mean of its divisors is an integer number (66849526).

Almost surely, 2^133699051 is an apocalyptic number.

133699051 is a deficient number, since it is larger than the sum of its proper divisors (1).

133699051 is an equidigital number, since it uses as much as digits as its factorization.

133699051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 133699051 is about 11562.8305790581. The cubic root of 133699051 is about 511.3396166852.

The spelling of 133699051 in words is "one hundred thirty-three million, six hundred ninety-nine thousand, fifty-one".