133343507 has 16 divisors (see below), whose sum is σ = 147837312. Its totient is φ = 119262720.

The previous prime is 133343471. The next prime is 133343543. The reversal of 133343507 is 705343331.

It is an interprime number because it is at equal distance from previous prime (133343471) and next prime (133343543).

It is a cyclic number.

It is not a de Polignac number, because 133343507 - 2⁸ = 133343251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133343507.

It is not an unprimeable number, because it can be changed into a prime (133343107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226868 + ... + 227454.

It is an arithmetic number, because the mean of its divisors is an integer number (9239832).

Almost surely, 2^133343507 is an apocalyptic number.

133343507 is a deficient number, since it is larger than the sum of its proper divisors (14493805).

133343507 is a wasteful number, since it uses less digits than its factorization.

133343507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 11340, while the sum is 29.

The square root of 133343507 is about 11547.4459080785. The cubic root of 133343507 is about 510.8859482264.

Adding to 133343507 its reverse (705343331), we get a palindrome (838686838).

The spelling of 133343507 in words is "one hundred thirty-three million, three hundred forty-three thousand, five hundred seven".