133670941477 has 2 divisors, whose sum is σ = 133670941478. Its totient is φ = 133670941476.

The previous prime is 133670941457. The next prime is 133670941487. The reversal of 133670941477 is 774149076331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96468632836 + 37202308641 = 310594^2 + 192879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133670941477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133670941457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66835470738 + 66835470739.

It is an arithmetic number, because the mean of its divisors is an integer number (66835470739).

Almost surely, 2^133670941477 is an apocalyptic number.

It is an amenable number.

133670941477 is a deficient number, since it is larger than the sum of its proper divisors (1).

133670941477 is an equidigital number, since it uses as much as digits as its factorization.

133670941477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2667168, while the sum is 52.

The spelling of 133670941477 in words is "one hundred thirty-three billion, six hundred seventy million, nine hundred forty-one thousand, four hundred seventy-seven".