133629157 has 2 divisors, whose sum is σ = 133629158. Its totient is φ = 133629156.

The previous prime is 133629151. The next prime is 133629169. The reversal of 133629157 is 751926331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93103201 + 40525956 = 9649^2 + 6366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133629157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133629151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66814578 + 66814579.

It is an arithmetic number, because the mean of its divisors is an integer number (66814579).

Almost surely, 2^133629157 is an apocalyptic number.

It is an amenable number.

133629157 is a deficient number, since it is larger than the sum of its proper divisors (1).

133629157 is an equidigital number, since it uses as much as digits as its factorization.

133629157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 37.

The square root of 133629157 is about 11559.8078271224. The cubic root of 133629157 is about 511.2504966289.

The spelling of 133629157 in words is "one hundred thirty-three million, six hundred twenty-nine thousand, one hundred fifty-seven".