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134463721 = 740147903
BaseRepresentation
bin10000000001111…
…00000011101001
3100101000110112211
420000330003221
5233410314341
621202005121
73221631340
oct1000740351
9311013484
10134463721
11699a0647
12390467a1
1321b1c442
1413c02b57
15bc11181
hex803c0e9

134463721 has 8 divisors (see below), whose sum is σ = 154059264. Its totient is φ = 114964800.

The previous prime is 134463697. The next prime is 134463733. The reversal of 134463721 is 127364431.

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

It is a cyclic number.

It is not a de Polignac number, because 134463721 - 25 = 134463689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134463751) 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, 21145 + ... + 26758.

It is an arithmetic number, because the mean of its divisors is an integer number (19257408).

Almost surely, 2134463721 is an apocalyptic number.

It is an amenable number.

134463721 is a deficient number, since it is larger than the sum of its proper divisors (19595543).

134463721 is an equidigital number, since it uses as much as digits as its factorization.

134463721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48311.

The product of its digits is 12096, while the sum is 31.

The square root of 134463721 is about 11595.8493005040. The cubic root of 134463721 is about 512.3126053725.

The spelling of 134463721 in words is "one hundred thirty-four million, four hundred sixty-three thousand, seven hundred twenty-one".

Divisors: 1 7 401 2807 47903 335321 19209103 134463721