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133806113 = 72191011423
BaseRepresentation
bin1111111100110…
…11100000100001
3100022210001110222
413332123200201
5233223243423
621135532425
73213222200
oct776334041
9308701428
10133806113
1169591571
123898a115
132194c01c
1413ab1237
15bb313c8
hex7f9b821

133806113 has 24 divisors (see below), whose sum is σ = 165582720. Its totient is φ = 107503200.

The previous prime is 133806091. The next prime is 133806139. The reversal of 133806113 is 311608331.

It is a happy number.

It is not a de Polignac number, because 133806113 - 28 = 133805857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133806163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93320 + ... + 94742.

It is an arithmetic number, because the mean of its divisors is an integer number (6899280).

Almost surely, 2133806113 is an apocalyptic number.

It is an amenable number.

133806113 is a deficient number, since it is larger than the sum of its proper divisors (31776607).

133806113 is a wasteful number, since it uses less digits than its factorization.

133806113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 133806113 is about 11567.4592283699. The cubic root of 133806113 is about 511.4760685035.

The spelling of 133806113 in words is "one hundred thirty-three million, eight hundred six thousand, one hundred thirteen".

Divisors: 1 7 19 49 101 133 707 931 1423 1919 4949 9961 13433 27037 69727 94031 143723 189259 1006061 1324813 2730737 7042427 19115159 133806113