133006530 has 32 divisors (see below), whose sum is σ = 320004288. Its totient is φ = 35380800.

The previous prime is 133006519. The next prime is 133006541. The reversal of 133006530 is 35600331.

133006530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (133006519) and next prime (133006541).

It is a junction number, because it is equal to n+sod(n) for n = 133006497 and 133006506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7365 + ... + 17895.

It is an arithmetic number, because the mean of its divisors is an integer number (10000134).

Almost surely, 2^133006530 is an apocalyptic number.

133006530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133006530 is an abundant number, since it is smaller than the sum of its proper divisors (186997758).

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

133006530 is a wasteful number, since it uses less digits than its factorization.

133006530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10962.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 133006530 is about 11532.8457026009. The cubic root of 133006530 is about 510.4552259934.

Adding to 133006530 its reverse (35600331), we get a palindrome (168606861).

The spelling of 133006530 in words is "one hundred thirty-three million, six thousand, five hundred thirty".