380133009 has 27 divisors (see below), whose sum is σ = 563204187. Its totient is φ = 247065984.

The previous prime is 380133007. The next prime is 380133011. The reversal of 380133009 is 900331083.

The square root of 380133009 is 19497.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (380133007) and next prime (380133011).

It can be written as a sum of positive squares in only one way, i.e., 170694225 + 209438784 = 13065^2 + 14472^2 .

It is not a de Polignac number, because 380133009 - 2¹ = 380133007 is a prime.

It is a super-2 number, since 2×380133009² = 289002209062788162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (380133007) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3918849 + ... + 3918945.

Almost surely, 2^380133009 is an apocalyptic number.

380133009 is the 19497-th square number.

380133009 is the 9749-th centered octagonal number.

It is an amenable number.

380133009 is a deficient number, since it is larger than the sum of its proper divisors (183071178).

380133009 is an frugal number, since it uses more digits than its factorization.

380133009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The cubic root of 380133009 is about 724.4001436961.

The spelling of 380133009 in words is "three hundred eighty million, one hundred thirty-three thousand, nine".