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133734940 = 2256686747
BaseRepresentation
bin1111111100010…
…10001000011100
3100022122102211221
413332022020130
5233214004230
621134223124
73212504533
oct776121034
9308572757
10133734940
1169543049
1238954aa4
1321925801
1413a9331a
15bb1a27a
hex7f8a21c

133734940 has 12 divisors (see below), whose sum is σ = 280843416. Its totient is φ = 53493968.

The previous prime is 133734929. The next prime is 133734943. The reversal of 133734940 is 49437331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 133734896 and 133734905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133734943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3343354 + ... + 3343393.

It is an arithmetic number, because the mean of its divisors is an integer number (23403618).

Almost surely, 2133734940 is an apocalyptic number.

133734940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133734940 is an abundant number, since it is smaller than the sum of its proper divisors (147108476).

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

133734940 is a wasteful number, since it uses less digits than its factorization.

133734940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6686756 (or 6686754 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 133734940 is about 11564.3823873132. The cubic root of 133734940 is about 511.3853657652.

The spelling of 133734940 in words is "one hundred thirty-three million, seven hundred thirty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 6686747 13373494 26746988 33433735 66867470 133734940