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134750719 = 211638629
BaseRepresentation
bin10000000100000…
…10000111111111
3100101120001020101
420002002013333
5233444010334
621212101531
73224235145
oct1002020777
9311501211
10134750719
116a077234
12391648a7
1321bbcc6c
1413c79595
15bc6b214
hex80821ff

134750719 has 4 divisors (see below), whose sum is σ = 135389560. Its totient is φ = 134111880.

The previous prime is 134750711. The next prime is 134750731. The reversal of 134750719 is 917057431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 917057431 = 4321326917.

It is a cyclic number.

It is not a de Polignac number, because 134750719 - 23 = 134750711 is a prime.

It is a super-2 number, since 2×1347507192 = 36315512542033922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134750711) 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, 319104 + ... + 319525.

It is an arithmetic number, because the mean of its divisors is an integer number (33847390).

Almost surely, 2134750719 is an apocalyptic number.

134750719 is a deficient number, since it is larger than the sum of its proper divisors (638841).

134750719 is an equidigital number, since it uses as much as digits as its factorization.

134750719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638840.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 134750719 is about 11608.2177357250. The cubic root of 134750719 is about 512.6768379638.

The spelling of 134750719 in words is "one hundred thirty-four million, seven hundred fifty thousand, seven hundred nineteen".

Divisors: 1 211 638629 134750719