133678130 has 8 divisors (see below), whose sum is σ = 240620652. Its totient is φ = 53471248.

The previous prime is 133678117. The next prime is 133678133. The reversal of 133678130 is 31876331.

It can be written as a sum of positive squares in 2 ways, for example, as 125731369 + 7946761 = 11213^2 + 2819^2 .

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

It is not an unprimeable number, because it can be changed into a prime (133678133) 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, 6683897 + ... + 6683916.

Almost surely, 2^133678130 is an apocalyptic number.

133678130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133678130 is a deficient number, since it is larger than the sum of its proper divisors (106942522).

133678130 is a wasteful number, since it uses less digits than its factorization.

133678130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13367820.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 133678130 is about 11561.9258776382. The cubic root of 133678130 is about 511.3129441096.

The spelling of 133678130 in words is "one hundred thirty-three million, six hundred seventy-eight thousand, one hundred thirty".