133776157 has 2 divisors, whose sum is σ = 133776158. Its totient is φ = 133776156.

The previous prime is 133776133. The next prime is 133776161. The reversal of 133776157 is 751677331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121308196 + 12467961 = 11014^2 + 3531^2 .

It is a cyclic number.

It is not a de Polignac number, because 133776157 - 2⁷ = 133776029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133776107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66888078 + 66888079.

It is an arithmetic number, because the mean of its divisors is an integer number (66888079).

Almost surely, 2^133776157 is an apocalyptic number.

It is an amenable number.

133776157 is a deficient number, since it is larger than the sum of its proper divisors (1).

133776157 is an equidigital number, since it uses as much as digits as its factorization.

133776157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92610, while the sum is 40.

The square root of 133776157 is about 11566.1643166609. The cubic root of 133776157 is about 511.4378965538.

The spelling of 133776157 in words is "one hundred thirty-three million, seven hundred seventy-six thousand, one hundred fifty-seven".