133333332507 has 12 divisors (see below), whose sum is σ = 193303268704. Its totient is φ = 88560883440.

The previous prime is 133333332493. The next prime is 133333332521. The reversal of 133333332507 is 705233333331.

It is an interprime number because it is at equal distance from previous prime (133333332493) and next prime (133333332521).

It is not a de Polignac number, because 133333332507 - 2⁶ = 133333332443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133333331507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27331168 + ... + 27336045.

Almost surely, 2^133333332507 is an apocalyptic number.

133333332507 is a deficient number, since it is larger than the sum of its proper divisors (59969936197).

133333332507 is a wasteful number, since it uses less digits than its factorization.

133333332507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54667490 (or 54667487 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 36.

Adding to 133333332507 its reverse (705233333331), we get a palindrome (838566665838).

The spelling of 133333332507 in words is "one hundred thirty-three billion, three hundred thirty-three million, three hundred thirty-two thousand, five hundred seven".