Search a number
-
+
134680791 = 3753121007
BaseRepresentation
bin10000000011100…
…01000011010111
3100101102111022110
420001301003113
5233434241131
621210402103
73223524240
oct1001610327
9311374273
10134680791
116a029743
1239130333
1321b9719b
1413c5bcc7
15bc55646
hex80710d7

134680791 has 16 divisors (see below), whose sum is σ = 209101824. Its totient is φ = 75507744.

The previous prime is 134680789. The next prime is 134680811. The reversal of 134680791 is 197086431.

It is not a de Polignac number, because 134680791 - 21 = 134680789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134680751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59391 + ... + 61616.

It is an arithmetic number, because the mean of its divisors is an integer number (13068864).

Almost surely, 2134680791 is an apocalyptic number.

134680791 is a deficient number, since it is larger than the sum of its proper divisors (74421033).

134680791 is a wasteful number, since it uses less digits than its factorization.

134680791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121070.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 134680791 is about 11605.2053407081. The cubic root of 134680791 is about 512.5881391936.

The spelling of 134680791 in words is "one hundred thirty-four million, six hundred eighty thousand, seven hundred ninety-one".

Divisors: 1 3 7 21 53 159 371 1113 121007 363021 847049 2541147 6413371 19240113 44893597 134680791