133151647 has 2 divisors, whose sum is σ = 133151648. Its totient is φ = 133151646.

The previous prime is 133151621. The next prime is 133151651. The reversal of 133151647 is 746151331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133151647 - 2⁷ = 133151519 is a prime.

It is a super-2 number, since 2×133151647² = 35458722197625218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133151147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66575823 + 66575824.

It is an arithmetic number, because the mean of its divisors is an integer number (66575824).

Almost surely, 2^133151647 is an apocalyptic number.

133151647 is a deficient number, since it is larger than the sum of its proper divisors (1).

133151647 is an equidigital number, since it uses as much as digits as its factorization.

133151647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

The square root of 133151647 is about 11539.1354528838. The cubic root of 133151647 is about 510.6408028650.

The spelling of 133151647 in words is "one hundred thirty-three million, one hundred fifty-one thousand, six hundred forty-seven".