133718977 has 8 divisors (see below), whose sum is σ = 152907200. Its totient is φ = 114552144.

The previous prime is 133718953. The next prime is 133718993. The reversal of 133718977 is 779817331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133718977 - 2¹¹ = 133716929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133718177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11674 + ... + 20092.

It is an arithmetic number, because the mean of its divisors is an integer number (19113400).

Almost surely, 2^133718977 is an apocalyptic number.

It is an amenable number.

133718977 is a deficient number, since it is larger than the sum of its proper divisors (19188223).

133718977 is an equidigital number, since it uses as much as digits as its factorization.

133718977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10695.

The product of its digits is 222264, while the sum is 46.

The square root of 133718977 is about 11563.6921871866. The cubic root of 133718977 is about 511.3650181297.

The spelling of 133718977 in words is "one hundred thirty-three million, seven hundred eighteen thousand, nine hundred seventy-seven".