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133754069 = 199672131
BaseRepresentation
bin1111111100011…
…10110011010101
3100022200102002102
413332032303111
5233220112234
621134451445
73212614361
oct776166325
9308612072
10133754069
1169556459
1238963b85
1321931427
1413a9a2a1
15bb20c7e
hex7f8ecd5

133754069 has 4 divisors (see below), whose sum is σ = 134426400. Its totient is φ = 133081740.

The previous prime is 133754041. The next prime is 133754083. The reversal of 133754069 is 960457331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133754069 - 28 = 133753813 is a prime.

It is a super-2 number, since 2×1337540692 = 35780301948113522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133754099) 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, 335867 + ... + 336264.

It is an arithmetic number, because the mean of its divisors is an integer number (33606600).

Almost surely, 2133754069 is an apocalyptic number.

It is an amenable number.

133754069 is a deficient number, since it is larger than the sum of its proper divisors (672331).

133754069 is an equidigital number, since it uses as much as digits as its factorization.

133754069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672330.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 133754069 is about 11565.2094230930. The cubic root of 133754069 is about 511.4097468887.

The spelling of 133754069 in words is "one hundred thirty-three million, seven hundred fifty-four thousand, sixty-nine".

Divisors: 1 199 672131 133754069