133737061 has 2 divisors, whose sum is σ = 133737062. Its totient is φ = 133737060.

The previous prime is 133737059. The next prime is 133737077. The reversal of 133737061 is 160737331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123076836 + 10660225 = 11094^2 + 3265^2 .

It is a cyclic number.

It is not a de Polignac number, because 133737061 - 2¹ = 133737059 is a prime.

It is a super-3 number, since 3×133737061³ (a number of 25 digits) contains 333 as substring.

Together with 133737059, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133737031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66868530 + 66868531.

It is an arithmetic number, because the mean of its divisors is an integer number (66868531).

Almost surely, 2^133737061 is an apocalyptic number.

It is an amenable number.

133737061 is a deficient number, since it is larger than the sum of its proper divisors (1).

133737061 is an equidigital number, since it uses as much as digits as its factorization.

133737061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 133737061 is about 11564.4740909390. The cubic root of 133737061 is about 511.3880692288.

The spelling of 133737061 in words is "one hundred thirty-three million, seven hundred thirty-seven thousand, sixty-one".