Search a number
-
+
136816734 = 2354741687
BaseRepresentation
bin10000010011110…
…10100001011110
3100112110000021110
420021322201132
5240011113414
621324242450
73250631415
oct1011724136
9315400243
10136816734
117025848a
12399a0426
1322464462
141425647c
15c028459
hex827a85e

136816734 has 16 divisors (see below), whose sum is σ = 274140288. Its totient is φ = 45521112.

The previous prime is 136816723. The next prime is 136816741. The reversal of 136816734 is 437618631.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 136816692 and 136816701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17562 + ... + 24125.

It is an arithmetic number, because the mean of its divisors is an integer number (17133768).

Almost surely, 2136816734 is an apocalyptic number.

136816734 is an abundant number, since it is smaller than the sum of its proper divisors (137323554).

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

136816734 is a wasteful number, since it uses less digits than its factorization.

136816734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42239.

The product of its digits is 72576, while the sum is 39.

The square root of 136816734 is about 11696.8685553015. The cubic root of 136816734 is about 515.2837020454.

It can be divided in two parts, 136816 and 734, that added together give a triangular number (137550 = T524).

The spelling of 136816734 in words is "one hundred thirty-six million, eight hundred sixteen thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 547 1094 1641 3282 41687 83374 125061 250122 22802789 45605578 68408367 136816734