133030386 has 24 divisors (see below), whose sum is σ = 292960044. Its totient is φ = 43616160.

The previous prime is 133030361. The next prime is 133030409. The reversal of 133030386 is 683030331.

It can be written as a sum of positive squares in 2 ways, for example, as 102394161 + 30636225 = 10119^2 + 5535^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59481 + ... + 61676.

Almost surely, 2^133030386 is an apocalyptic number.

133030386 is an abundant number, since it is smaller than the sum of its proper divisors (159929658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133030386 is a wasteful number, since it uses less digits than its factorization.

133030386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121226 (or 121223 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 133030386 is about 11533.8799196107. The cubic root of 133030386 is about 510.4857425200.

Subtracting 133030386 from its reverse (683030331), we obtain a palindrome (549999945).

The spelling of 133030386 in words is "one hundred thirty-three million, thirty thousand, three hundred eighty-six".