133679377 has 8 divisors (see below), whose sum is σ = 144881576. Its totient is φ = 122608512.

The previous prime is 133679341. The next prime is 133679411. The reversal of 133679377 is 773976331.

It can be written as a sum of positive squares in 4 ways, for example, as 992016 + 132687361 = 996^2 + 11519^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-133679377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133679317) 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, 30708 + ... + 34789.

It is an arithmetic number, because the mean of its divisors is an integer number (18110197).

Almost surely, 2^133679377 is an apocalyptic number.

It is an amenable number.

133679377 is a deficient number, since it is larger than the sum of its proper divisors (11202199).

133679377 is a wasteful number, since it uses less digits than its factorization.

133679377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65667.

The product of its digits is 500094, while the sum is 46.

The square root of 133679377 is about 11561.9798045145. The cubic root of 133679377 is about 511.3145340113.

The spelling of 133679377 in words is "one hundred thirty-three million, six hundred seventy-nine thousand, three hundred seventy-seven".