133636237061 has 2 divisors, whose sum is σ = 133636237062. Its totient is φ = 133636237060.

The previous prime is 133636237043. The next prime is 133636237079. The reversal of 133636237061 is 160732636331.

It is a balanced prime because it is at equal distance from previous prime (133636237043) and next prime (133636237079).

It can be written as a sum of positive squares in only one way, i.e., 107448906436 + 26187330625 = 327794^2 + 161825^2 .

It is a cyclic number.

It is not a de Polignac number, because 133636237061 - 2⁶ = 133636236997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133636236061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66818118530 + 66818118531.

It is an arithmetic number, because the mean of its divisors is an integer number (66818118531).

Almost surely, 2^133636237061 is an apocalyptic number.

It is an amenable number.

133636237061 is a deficient number, since it is larger than the sum of its proper divisors (1).

133636237061 is an equidigital number, since it uses as much as digits as its factorization.

133636237061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 41.

The spelling of 133636237061 in words is "one hundred thirty-three billion, six hundred thirty-six million, two hundred thirty-seven thousand, sixty-one".