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133140133 = 731613549
BaseRepresentation
bin1111110111110…
…00111010100101
3100021112012221001
413323320322211
5233040441013
621113353301
73204446440
oct773707245
9307465831
10133140133
1169177175
1238708831
1321777b59
141397a657
15ba4dddd
hex7ef8ea5

133140133 has 8 divisors (see below), whose sum is σ = 157068800. Its totient is φ = 110438640.

The previous prime is 133140113. The next prime is 133140157. The reversal of 133140133 is 331041331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-133140133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133140133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133140113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306558 + ... + 306991.

It is an arithmetic number, because the mean of its divisors is an integer number (19633600).

Almost surely, 2133140133 is an apocalyptic number.

It is an amenable number.

133140133 is a deficient number, since it is larger than the sum of its proper divisors (23928667).

133140133 is an equidigital number, since it uses as much as digits as its factorization.

133140133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613587.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 133140133 is about 11538.6365312371. The cubic root of 133140133 is about 510.6260835886.

Adding to 133140133 its reverse (331041331), we get a palindrome (464181464).

The spelling of 133140133 in words is "one hundred thirty-three million, one hundred forty thousand, one hundred thirty-three".

Divisors: 1 7 31 217 613549 4294843 19020019 133140133