133903175377 has 2 divisors, whose sum is σ = 133903175378. Its totient is φ = 133903175376.

The previous prime is 133903175363. The next prime is 133903175437. The reversal of 133903175377 is 773571309331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101806303041 + 32096872336 = 319071^2 + 179156^2 .

It is a cyclic number.

It is not a de Polignac number, because 133903175377 - 2²⁷ = 133768957649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133903175377.

It is not a weakly prime, because it can be changed into another prime (133903175177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66951587688 + 66951587689.

It is an arithmetic number, because the mean of its divisors is an integer number (66951587689).

Almost surely, 2^133903175377 is an apocalyptic number.

It is an amenable number.

133903175377 is a deficient number, since it is larger than the sum of its proper divisors (1).

133903175377 is an equidigital number, since it uses as much as digits as its factorization.

133903175377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1250235, while the sum is 49.

The spelling of 133903175377 in words is "one hundred thirty-three billion, nine hundred three million, one hundred seventy-five thousand, three hundred seventy-seven".