133915151 has 2 divisors, whose sum is σ = 133915152. Its totient is φ = 133915150.

The previous prime is 133915147. The next prime is 133915157. The reversal of 133915151 is 151519331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133915151 - 2² = 133915147 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133915157) 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, 66957575 + 66957576.

It is an arithmetic number, because the mean of its divisors is an integer number (66957576).

Almost surely, 2^133915151 is an apocalyptic number.

133915151 is a deficient number, since it is larger than the sum of its proper divisors (1).

133915151 is an equidigital number, since it uses as much as digits as its factorization.

133915151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2025, while the sum is 29.

The square root of 133915151 is about 11572.1714038464. The cubic root of 133915151 is about 511.6149639649.

The spelling of 133915151 in words is "one hundred thirty-three million, nine hundred fifteen thousand, one hundred fifty-one".