133796977 has 2 divisors, whose sum is σ = 133796978. Its totient is φ = 133796976.

The previous prime is 133796969. The next prime is 133796983. The reversal of 133796977 is 779697331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123454321 + 10342656 = 11111^2 + 3216^2 .

It is a cyclic number.

It is not a de Polignac number, because 133796977 - 2³ = 133796969 is a prime.

It is not a weakly prime, because it can be changed into another prime (133796777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66898488 + 66898489.

It is an arithmetic number, because the mean of its divisors is an integer number (66898489).

Almost surely, 2^133796977 is an apocalyptic number.

It is an amenable number.

133796977 is a deficient number, since it is larger than the sum of its proper divisors (1).

133796977 is an equidigital number, since it uses as much as digits as its factorization.

133796977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1500282, while the sum is 52.

The square root of 133796977 is about 11567.0643207341. The cubic root of 133796977 is about 511.4644274018.

The spelling of 133796977 in words is "one hundred thirty-three million, seven hundred ninety-six thousand, nine hundred seventy-seven".