133934977 has 4 divisors (see below), whose sum is σ = 146110896. Its totient is φ = 121759060.

The previous prime is 133934953. The next prime is 133935019. The reversal of 133934977 is 779439331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133934977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133934947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6087943 + ... + 6087964.

It is an arithmetic number, because the mean of its divisors is an integer number (36527724).

Almost surely, 2^133934977 is an apocalyptic number.

It is an amenable number.

133934977 is a deficient number, since it is larger than the sum of its proper divisors (12175919).

133934977 is a wasteful number, since it uses less digits than its factorization.

133934977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12175918.

The product of its digits is 428652, while the sum is 46.

The square root of 133934977 is about 11573.0279961642. The cubic root of 133934977 is about 511.6402107416.

The spelling of 133934977 in words is "one hundred thirty-three million, nine hundred thirty-four thousand, nine hundred seventy-seven".