133679738 has 8 divisors (see below), whose sum is σ = 212314932. Its totient is φ = 62908096.

The previous prime is 133679737. The next prime is 133679759. The reversal of 133679738 is 837976331.

133679738 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 103286569 + 30393169 = 10163^2 + 5513^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 133679692 and 133679701.

It is not an unprimeable number, because it can be changed into a prime (133679737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965845 + ... + 1965912.

Almost surely, 2^133679738 is an apocalyptic number.

133679738 is a deficient number, since it is larger than the sum of its proper divisors (78635194).

133679738 is a wasteful number, since it uses less digits than its factorization.

133679738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931776.

The product of its digits is 571536, while the sum is 47.

The square root of 133679738 is about 11561.9954160171. The cubic root of 133679738 is about 511.3149942777.

The spelling of 133679738 in words is "one hundred thirty-three million, six hundred seventy-nine thousand, seven hundred thirty-eight".