133154629 has 2 divisors, whose sum is σ = 133154630. Its totient is φ = 133154628.

The previous prime is 133154627. The next prime is 133154653. The reversal of 133154629 is 926451331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132204004 + 950625 = 11498^2 + 975^2 .

It is a cyclic number.

It is not a de Polignac number, because 133154629 - 2¹ = 133154627 is a prime.

Together with 133154627, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 133154594 and 133154603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133154621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66577314 + 66577315.

It is an arithmetic number, because the mean of its divisors is an integer number (66577315).

Almost surely, 2^133154629 is an apocalyptic number.

It is an amenable number.

133154629 is a deficient number, since it is larger than the sum of its proper divisors (1).

133154629 is an equidigital number, since it uses as much as digits as its factorization.

133154629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 133154629 is about 11539.2646646136. The cubic root of 133154629 is about 510.6446148582.

The spelling of 133154629 in words is "one hundred thirty-three million, one hundred fifty-four thousand, six hundred twenty-nine".