133210004 has 6 divisors (see below), whose sum is σ = 233117514. Its totient is φ = 66605000.

The previous prime is 133209959. The next prime is 133210013. The reversal of 133210004 is 400012331.

It can be written as a sum of positive squares in only one way, i.e., 69689104 + 63520900 = 8348^2 + 7970^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16651247 + ... + 16651254.

It is an arithmetic number, because the mean of its divisors is an integer number (38852919).

Almost surely, 2^133210004 is an apocalyptic number.

It is an amenable number.

133210004 is a deficient number, since it is larger than the sum of its proper divisors (99907510).

133210004 is a wasteful number, since it uses less digits than its factorization.

133210004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33302505 (or 33302503 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 133210004 is about 11541.6638315279. The cubic root of 133210004 is about 510.7153922864.

Adding to 133210004 its reverse (400012331), we get a palindrome (533222335).

The spelling of 133210004 in words is "one hundred thirty-three million, two hundred ten thousand, four".